Home / 47,113.92-70,689.60-19,405.44

Finding the Fourth Proportional to 47,113.92, 70,689.60 and 19,405.44

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Solution

The fourth proportional to 47,113.92, 70,689.60 and 19,405.44 is: 29,115.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,113.92 : 70,689.60 = 19,405.44 : x
  2. Step 2: Convert to fraction form
    47,113.92/70,689.60 = 19,405.44/x
  3. Step 3: Cross multiply
    47,113.92x = 70,689.60 × 19,405.44
  4. Step 4: Simplify right side
    47,113.92x = 1,371,762,791.42
  5. Step 5: Solve for x
    x = 1,371,762,791.42/47,113.92
  6. Step 6: Final answer
    x = 29,115.87

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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.