Home / 55,000.38-82,431.30-29,988.38

Finding the Fourth Proportional to 55,000.38, 82,431.30 and 29,988.38

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Solution

The fourth proportional to 55,000.38, 82,431.30 and 29,988.38 is: 44,944.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,000.38 : 82,431.30 = 29,988.38 : x
  2. Step 2: Convert to fraction form
    55,000.38/82,431.30 = 29,988.38/x
  3. Step 3: Cross multiply
    55,000.38x = 82,431.30 × 29,988.38
  4. Step 4: Simplify right side
    55,000.38x = 2,471,981,148.29
  5. Step 5: Solve for x
    x = 2,471,981,148.29/55,000.38
  6. Step 6: Final answer
    x = 44,944.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.