Home / 52,387.20-72,304.31-29,728.30

Finding the Fourth Proportional to 52,387.20, 72,304.31 and 29,728.30

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Solution

The fourth proportional to 52,387.20, 72,304.31 and 29,728.30 is: 41,030.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,387.20 : 72,304.31 = 29,728.30 : x
  2. Step 2: Convert to fraction form
    52,387.20/72,304.31 = 29,728.30/x
  3. Step 3: Cross multiply
    52,387.20x = 72,304.31 × 29,728.30
  4. Step 4: Simplify right side
    52,387.20x = 2,149,483,889.57
  5. Step 5: Solve for x
    x = 2,149,483,889.57/52,387.20
  6. Step 6: Final answer
    x = 41,030.71

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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.