Home / 47,960.64-71,949.60-21,677.76

Finding the Fourth Proportional to 47,960.64, 71,949.60 and 21,677.76

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Solution

The fourth proportional to 47,960.64, 71,949.60 and 21,677.76 is: 32,520.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,960.64 : 71,949.60 = 21,677.76 : x
  2. Step 2: Convert to fraction form
    47,960.64/71,949.60 = 21,677.76/x
  3. Step 3: Cross multiply
    47,960.64x = 71,949.60 × 21,677.76
  4. Step 4: Simplify right side
    47,960.64x = 1,559,706,160.90
  5. Step 5: Solve for x
    x = 1,559,706,160.90/47,960.64
  6. Step 6: Final answer
    x = 32,520.55

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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.