Home / 47,399.58-71,099.13-12,339.18

Finding the Fourth Proportional to 47,399.58, 71,099.13 and 12,339.18

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Solution

The fourth proportional to 47,399.58, 71,099.13 and 12,339.18 is: 18,508.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,399.58 : 71,099.13 = 12,339.18 : x
  2. Step 2: Convert to fraction form
    47,399.58/71,099.13 = 12,339.18/x
  3. Step 3: Cross multiply
    47,399.58x = 71,099.13 × 12,339.18
  4. Step 4: Simplify right side
    47,399.58x = 877,304,962.91
  5. Step 5: Solve for x
    x = 877,304,962.91/47,399.58
  6. Step 6: Final answer
    x = 18,508.71

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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.