Home / 38,397.52-52,985.88-21,169.12

Finding the Fourth Proportional to 38,397.52, 52,985.88 and 21,169.12

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Solution

The fourth proportional to 38,397.52, 52,985.88 and 21,169.12 is: 29,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,397.52 : 52,985.88 = 21,169.12 : x
  2. Step 2: Convert to fraction form
    38,397.52/52,985.88 = 21,169.12/x
  3. Step 3: Cross multiply
    38,397.52x = 52,985.88 × 21,169.12
  4. Step 4: Simplify right side
    38,397.52x = 1,121,664,452.03
  5. Step 5: Solve for x
    x = 1,121,664,452.03/38,397.52
  6. Step 6: Final answer
    x = 29,211.90

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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.