Home / 38,240.10-52,772.01-21,245.90

Finding the Fourth Proportional to 38,240.10, 52,772.01 and 21,245.90

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Solution

The fourth proportional to 38,240.10, 52,772.01 and 21,245.90 is: 29,319.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,240.10 : 52,772.01 = 21,245.90 : x
  2. Step 2: Convert to fraction form
    38,240.10/52,772.01 = 21,245.90/x
  3. Step 3: Cross multiply
    38,240.10x = 52,772.01 × 21,245.90
  4. Step 4: Simplify right side
    38,240.10x = 1,121,188,503.73
  5. Step 5: Solve for x
    x = 1,121,188,503.73/38,240.10
  6. Step 6: Final answer
    x = 29,319.71

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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.