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Finding the Fourth Proportional to 61,669.20, 92,503.80 and 22,227.60

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Solution

The fourth proportional to 61,669.20, 92,503.80 and 22,227.60 is: 33,341.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,669.20 : 92,503.80 = 22,227.60 : x
  2. Step 2: Convert to fraction form
    61,669.20/92,503.80 = 22,227.60/x
  3. Step 3: Cross multiply
    61,669.20x = 92,503.80 × 22,227.60
  4. Step 4: Simplify right side
    61,669.20x = 2,056,137,464.88
  5. Step 5: Solve for x
    x = 2,056,137,464.88/61,669.20
  6. Step 6: Final answer
    x = 33,341.40

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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.