Home / 38,672.62-58,007.87-12,376.99

Finding the Fourth Proportional to 38,672.62, 58,007.87 and 12,376.99

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Solution

The fourth proportional to 38,672.62, 58,007.87 and 12,376.99 is: 18,565.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,672.62 : 58,007.87 = 12,376.99 : x
  2. Step 2: Convert to fraction form
    38,672.62/58,007.87 = 12,376.99/x
  3. Step 3: Cross multiply
    38,672.62x = 58,007.87 × 12,376.99
  4. Step 4: Simplify right side
    38,672.62x = 717,962,826.91
  5. Step 5: Solve for x
    x = 717,962,826.91/38,672.62
  6. Step 6: Final answer
    x = 18,565.15

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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.