Home / 38,013.80-52,456.93-21,017.05

Finding the Fourth Proportional to 38,013.80, 52,456.93 and 21,017.05

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Solution

The fourth proportional to 38,013.80, 52,456.93 and 21,017.05 is: 29,002.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,013.80 : 52,456.93 = 21,017.05 : x
  2. Step 2: Convert to fraction form
    38,013.80/52,456.93 = 21,017.05/x
  3. Step 3: Cross multiply
    38,013.80x = 52,456.93 × 21,017.05
  4. Step 4: Simplify right side
    38,013.80x = 1,102,489,736.97
  5. Step 5: Solve for x
    x = 1,102,489,736.97/38,013.80
  6. Step 6: Final answer
    x = 29,002.36

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Half scale
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Double scale
Find fourth proportional to 38,014.80, 52,458.31 and 21,018.05
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.