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Finding the Fourth Proportional to 57,497.60, 86,246.40 and 24,255.20

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Solution

The fourth proportional to 57,497.60, 86,246.40 and 24,255.20 is: 36,382.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,497.60 : 86,246.40 = 24,255.20 : x
  2. Step 2: Convert to fraction form
    57,497.60/86,246.40 = 24,255.20/x
  3. Step 3: Cross multiply
    57,497.60x = 86,246.40 × 24,255.20
  4. Step 4: Simplify right side
    57,497.60x = 2,091,923,681.28
  5. Step 5: Solve for x
    x = 2,091,923,681.28/57,497.60
  6. Step 6: Final answer
    x = 36,382.80

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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.