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Finding the Fourth Proportional to 61,664.60, 92,496.90 and 22,225.70

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Solution

The fourth proportional to 61,664.60, 92,496.90 and 22,225.70 is: 33,338.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,664.60 : 92,496.90 = 22,225.70 : x
  2. Step 2: Convert to fraction form
    61,664.60/92,496.90 = 22,225.70/x
  3. Step 3: Cross multiply
    61,664.60x = 92,496.90 × 22,225.70
  4. Step 4: Simplify right side
    61,664.60x = 2,055,808,350.33
  5. Step 5: Solve for x
    x = 2,055,808,350.33/61,664.60
  6. Step 6: Final answer
    x = 33,338.55

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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.