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Finding the Fourth Proportional to 47,893.92, 71,418.96 and 44,569.68

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Solution

The fourth proportional to 47,893.92, 71,418.96 and 44,569.68 is: 66,461.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,893.92 : 71,418.96 = 44,569.68 : x
  2. Step 2: Convert to fraction form
    47,893.92/71,418.96 = 44,569.68/x
  3. Step 3: Cross multiply
    47,893.92x = 71,418.96 × 44,569.68
  4. Step 4: Simplify right side
    47,893.92x = 3,183,120,193.13
  5. Step 5: Solve for x
    x = 3,183,120,193.13/47,893.92
  6. Step 6: Final answer
    x = 66,461.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.