Home / 47,512.62-71,269.47-12,455.82

Finding the Fourth Proportional to 47,512.62, 71,269.47 and 12,455.82

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Solution

The fourth proportional to 47,512.62, 71,269.47 and 12,455.82 is: 18,683.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,512.62 : 71,269.47 = 12,455.82 : x
  2. Step 2: Convert to fraction form
    47,512.62/71,269.47 = 12,455.82/x
  3. Step 3: Cross multiply
    47,512.62x = 71,269.47 × 12,455.82
  4. Step 4: Simplify right side
    47,512.62x = 887,719,689.82
  5. Step 5: Solve for x
    x = 887,719,689.82/47,512.62
  6. Step 6: Final answer
    x = 18,683.87

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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.