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Finding the Fourth Proportional to 47,174.64, 65,104.88 and 25,957.76

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Solution

The fourth proportional to 47,174.64, 65,104.88 and 25,957.76 is: 35,823.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,174.64 : 65,104.88 = 25,957.76 : x
  2. Step 2: Convert to fraction form
    47,174.64/65,104.88 = 25,957.76/x
  3. Step 3: Cross multiply
    47,174.64x = 65,104.88 × 25,957.76
  4. Step 4: Simplify right side
    47,174.64x = 1,689,976,849.87
  5. Step 5: Solve for x
    x = 1,689,976,849.87/47,174.64
  6. Step 6: Final answer
    x = 35,823.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.