Home / 52,176.91-72,004.13-29,515.42

Finding the Fourth Proportional to 52,176.91, 72,004.13 and 29,515.42

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Solution

The fourth proportional to 52,176.91, 72,004.13 and 29,515.42 is: 40,731.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,176.91 : 72,004.13 = 29,515.42 : x
  2. Step 2: Convert to fraction form
    52,176.91/72,004.13 = 29,515.42/x
  3. Step 3: Cross multiply
    52,176.91x = 72,004.13 × 29,515.42
  4. Step 4: Simplify right side
    52,176.91x = 2,125,231,778.66
  5. Step 5: Solve for x
    x = 2,125,231,778.66/52,176.91
  6. Step 6: Final answer
    x = 40,731.27

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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.