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Finding the Fourth Proportional to 63,447.60, 95,128.20 and 23,998.80

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Solution

The fourth proportional to 63,447.60, 95,128.20 and 23,998.80 is: 35,981.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,447.60 : 95,128.20 = 23,998.80 : x
  2. Step 2: Convert to fraction form
    63,447.60/95,128.20 = 23,998.80/x
  3. Step 3: Cross multiply
    63,447.60x = 95,128.20 × 23,998.80
  4. Step 4: Simplify right side
    63,447.60x = 2,282,962,646.16
  5. Step 5: Solve for x
    x = 2,282,962,646.16/63,447.60
  6. Step 6: Final answer
    x = 35,981.86

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1.5x scale

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.