Home / 86,538.38-129,812.42-24,213.74

Finding the Fourth Proportional to 86,538.38, 129,812.42 and 24,213.74

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Solution

The fourth proportional to 86,538.38, 129,812.42 and 24,213.74 is: 36,321.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,538.38 : 129,812.42 = 24,213.74 : x
  2. Step 2: Convert to fraction form
    86,538.38/129,812.42 = 24,213.74/x
  3. Step 3: Cross multiply
    86,538.38x = 129,812.42 × 24,213.74
  4. Step 4: Simplify right side
    86,538.38x = 3,143,243,598.12
  5. Step 5: Solve for x
    x = 3,143,243,598.12/86,538.38
  6. Step 6: Final answer
    x = 36,321.96

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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.