Home / 38,015.44-52,460.28-21,251.68

Finding the Fourth Proportional to 38,015.44, 52,460.28 and 21,251.68

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Solution

The fourth proportional to 38,015.44, 52,460.28 and 21,251.68 is: 29,326.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,015.44 : 52,460.28 = 21,251.68 : x
  2. Step 2: Convert to fraction form
    38,015.44/52,460.28 = 21,251.68/x
  3. Step 3: Cross multiply
    38,015.44x = 52,460.28 × 21,251.68
  4. Step 4: Simplify right side
    38,015.44x = 1,114,869,083.27
  5. Step 5: Solve for x
    x = 1,114,869,083.27/38,015.44
  6. Step 6: Final answer
    x = 29,326.74

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Half scale
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Double scale
Find fourth proportional to 38,016.44, 52,461.66 and 21,252.68
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.