Home / 82,424.64-123,636.69-29,821.62

Finding the Fourth Proportional to 82,424.64, 123,636.69 and 29,821.62

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Solution

The fourth proportional to 82,424.64, 123,636.69 and 29,821.62 is: 44,732.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,424.64 : 123,636.69 = 29,821.62 : x
  2. Step 2: Convert to fraction form
    82,424.64/123,636.69 = 29,821.62/x
  3. Step 3: Cross multiply
    82,424.64x = 123,636.69 × 29,821.62
  4. Step 4: Simplify right side
    82,424.64x = 3,687,046,387.24
  5. Step 5: Solve for x
    x = 3,687,046,387.24/82,424.64
  6. Step 6: Final answer
    x = 44,732.33

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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.