Home / 47,734.91-71,630.12-19,657.79

Finding the Fourth Proportional to 47,734.91, 71,630.12 and 19,657.79

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Solution

The fourth proportional to 47,734.91, 71,630.12 and 19,657.79 is: 29,498.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,734.91 : 71,630.12 = 19,657.79 : x
  2. Step 2: Convert to fraction form
    47,734.91/71,630.12 = 19,657.79/x
  3. Step 3: Cross multiply
    47,734.91x = 71,630.12 × 19,657.79
  4. Step 4: Simplify right side
    47,734.91x = 1,408,090,084.85
  5. Step 5: Solve for x
    x = 1,408,090,084.85/47,734.91
  6. Step 6: Final answer
    x = 29,498.12

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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.