Home / 52,412.89-72,331.08-28,540.87

Finding the Fourth Proportional to 52,412.89, 72,331.08 and 28,540.87

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Solution

The fourth proportional to 52,412.89, 72,331.08 and 28,540.87 is: 39,387.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,412.89 : 72,331.08 = 28,540.87 : x
  2. Step 2: Convert to fraction form
    52,412.89/72,331.08 = 28,540.87/x
  3. Step 3: Cross multiply
    52,412.89x = 72,331.08 × 28,540.87
  4. Step 4: Simplify right side
    52,412.89x = 2,064,391,951.24
  5. Step 5: Solve for x
    x = 2,064,391,951.24/52,412.89
  6. Step 6: Final answer
    x = 39,387.10

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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.