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Finding the Fourth Proportional to 55,644.72, 83,464.92 and 22,354.80

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Solution

The fourth proportional to 55,644.72, 83,464.92 and 22,354.80 is: 33,531.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,644.72 : 83,464.92 = 22,354.80 : x
  2. Step 2: Convert to fraction form
    55,644.72/83,464.92 = 22,354.80/x
  3. Step 3: Cross multiply
    55,644.72x = 83,464.92 × 22,354.80
  4. Step 4: Simplify right side
    55,644.72x = 1,865,841,593.62
  5. Step 5: Solve for x
    x = 1,865,841,593.62/55,644.72
  6. Step 6: Final answer
    x = 33,531.33

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1.5x scale

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.