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Finding the Fourth Proportional to 57,658.60, 86,479.26 and 22,622.44

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Solution

The fourth proportional to 57,658.60, 86,479.26 and 22,622.44 is: 33,930.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,658.60 : 86,479.26 = 22,622.44 : x
  2. Step 2: Convert to fraction form
    57,658.60/86,479.26 = 22,622.44/x
  3. Step 3: Cross multiply
    57,658.60x = 86,479.26 × 22,622.44
  4. Step 4: Simplify right side
    57,658.60x = 1,956,371,870.59
  5. Step 5: Solve for x
    x = 1,956,371,870.59/57,658.60
  6. Step 6: Final answer
    x = 33,930.27

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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.