Home / 52,147.92-71,959.68-29,485.80

Finding the Fourth Proportional to 52,147.92, 71,959.68 and 29,485.80

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Solution

The fourth proportional to 52,147.92, 71,959.68 and 29,485.80 is: 40,687.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,147.92 : 71,959.68 = 29,485.80 : x
  2. Step 2: Convert to fraction form
    52,147.92/71,959.68 = 29,485.80/x
  3. Step 3: Cross multiply
    52,147.92x = 71,959.68 × 29,485.80
  4. Step 4: Simplify right side
    52,147.92x = 2,121,788,732.54
  5. Step 5: Solve for x
    x = 2,121,788,732.54/52,147.92
  6. Step 6: Final answer
    x = 40,687.89

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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.