Home / 23,044.92-34,539.36-12,489.91

Finding the Fourth Proportional to 23,044.92, 34,539.36 and 12,489.91

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Solution

The fourth proportional to 23,044.92, 34,539.36 and 12,489.91 is: 18,719.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,044.92 : 34,539.36 = 12,489.91 : x
  2. Step 2: Convert to fraction form
    23,044.92/34,539.36 = 12,489.91/x
  3. Step 3: Cross multiply
    23,044.92x = 34,539.36 × 12,489.91
  4. Step 4: Simplify right side
    23,044.92x = 431,393,497.86
  5. Step 5: Solve for x
    x = 431,393,497.86/23,044.92
  6. Step 6: Final answer
    x = 18,719.68

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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.