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Finding the Fourth Proportional to 57,474.47, 86,260.91 and 32,539.02

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Solution

The fourth proportional to 57,474.47, 86,260.91 and 32,539.02 is: 48,836.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,474.47 : 86,260.91 = 32,539.02 : x
  2. Step 2: Convert to fraction form
    57,474.47/86,260.91 = 32,539.02/x
  3. Step 3: Cross multiply
    57,474.47x = 86,260.91 × 32,539.02
  4. Step 4: Simplify right side
    57,474.47x = 2,806,845,313.01
  5. Step 5: Solve for x
    x = 2,806,845,313.01/57,474.47
  6. Step 6: Final answer
    x = 48,836.39

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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.