Home / 47,407.17-71,104.68-12,349.56

Finding the Fourth Proportional to 47,407.17, 71,104.68 and 12,349.56

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Solution

The fourth proportional to 47,407.17, 71,104.68 and 12,349.56 is: 18,522.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,407.17 : 71,104.68 = 12,349.56 : x
  2. Step 2: Convert to fraction form
    47,407.17/71,104.68 = 12,349.56/x
  3. Step 3: Cross multiply
    47,407.17x = 71,104.68 × 12,349.56
  4. Step 4: Simplify right side
    47,407.17x = 878,111,511.94
  5. Step 5: Solve for x
    x = 878,111,511.94/47,407.17
  6. Step 6: Final answer
    x = 18,522.76

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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.