Home / 47,398.30-71,110.74-20,746.61

Finding the Fourth Proportional to 47,398.30, 71,110.74 and 20,746.61

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Solution

The fourth proportional to 47,398.30, 71,110.74 and 20,746.61 is: 31,125.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,398.30 : 71,110.74 = 20,746.61 : x
  2. Step 2: Convert to fraction form
    47,398.30/71,110.74 = 20,746.61/x
  3. Step 3: Cross multiply
    47,398.30x = 71,110.74 × 20,746.61
  4. Step 4: Simplify right side
    47,398.30x = 1,475,306,685.86
  5. Step 5: Solve for x
    x = 1,475,306,685.86/47,398.30
  6. Step 6: Final answer
    x = 31,125.73

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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.