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Finding the Fourth Proportional to 53,691.40, 80,561.40 and 25,600.60

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Solution

The fourth proportional to 53,691.40, 80,561.40 and 25,600.60 is: 38,412.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,691.40 : 80,561.40 = 25,600.60 : x
  2. Step 2: Convert to fraction form
    53,691.40/80,561.40 = 25,600.60/x
  3. Step 3: Cross multiply
    53,691.40x = 80,561.40 × 25,600.60
  4. Step 4: Simplify right side
    53,691.40x = 2,062,420,176.84
  5. Step 5: Solve for x
    x = 2,062,420,176.84/53,691.40
  6. Step 6: Final answer
    x = 38,412.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.