Home / 79,522.43-119,280.90-20,358.61

Finding the Fourth Proportional to 79,522.43, 119,280.90 and 20,358.61

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Solution

The fourth proportional to 79,522.43, 119,280.90 and 20,358.61 is: 30,537.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,522.43 : 119,280.90 = 20,358.61 : x
  2. Step 2: Convert to fraction form
    79,522.43/119,280.90 = 20,358.61/x
  3. Step 3: Cross multiply
    79,522.43x = 119,280.90 × 20,358.61
  4. Step 4: Simplify right side
    79,522.43x = 2,428,393,323.55
  5. Step 5: Solve for x
    x = 2,428,393,323.55/79,522.43
  6. Step 6: Final answer
    x = 30,537.21

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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.