Home / 52,129.68-71,938.18-29,467.88

Finding the Fourth Proportional to 52,129.68, 71,938.18 and 29,467.88

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Solution

The fourth proportional to 52,129.68, 71,938.18 and 29,467.88 is: 40,665.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,129.68 : 71,938.18 = 29,467.88 : x
  2. Step 2: Convert to fraction form
    52,129.68/71,938.18 = 29,467.88/x
  3. Step 3: Cross multiply
    52,129.68x = 71,938.18 × 29,467.88
  4. Step 4: Simplify right side
    52,129.68x = 2,119,865,655.66
  5. Step 5: Solve for x
    x = 2,119,865,655.66/52,129.68
  6. Step 6: Final answer
    x = 40,665.23

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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.