Home / 38,015.98-52,460.50-21,019.15

Finding the Fourth Proportional to 38,015.98, 52,460.50 and 21,019.15

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Solution

The fourth proportional to 38,015.98, 52,460.50 and 21,019.15 is: 29,005.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,015.98 : 52,460.50 = 21,019.15 : x
  2. Step 2: Convert to fraction form
    38,015.98/52,460.50 = 21,019.15/x
  3. Step 3: Cross multiply
    38,015.98x = 52,460.50 × 21,019.15
  4. Step 4: Simplify right side
    38,015.98x = 1,102,675,118.58
  5. Step 5: Solve for x
    x = 1,102,675,118.58/38,015.98
  6. Step 6: Final answer
    x = 29,005.57

Related Problems

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Half scale
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Double scale
Find fourth proportional to 38,016.98, 52,461.88 and 21,020.15
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.