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Finding the Fourth Proportional to 57,624.42, 86,436.42 and 22,539.36

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Solution

The fourth proportional to 57,624.42, 86,436.42 and 22,539.36 is: 33,808.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,624.42 : 86,436.42 = 22,539.36 : x
  2. Step 2: Convert to fraction form
    57,624.42/86,436.42 = 22,539.36/x
  3. Step 3: Cross multiply
    57,624.42x = 86,436.42 × 22,539.36
  4. Step 4: Simplify right side
    57,624.42x = 1,948,221,587.49
  5. Step 5: Solve for x
    x = 1,948,221,587.49/57,624.42
  6. Step 6: Final answer
    x = 33,808.96

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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.