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Finding the Fourth Proportional to 55,001.60, 82,356.60 and 43,337.60

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Solution

The fourth proportional to 55,001.60, 82,356.60 and 43,337.60 is: 64,891.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,001.60 : 82,356.60 = 43,337.60 : x
  2. Step 2: Convert to fraction form
    55,001.60/82,356.60 = 43,337.60/x
  3. Step 3: Cross multiply
    55,001.60x = 82,356.60 × 43,337.60
  4. Step 4: Simplify right side
    55,001.60x = 3,569,137,388.16
  5. Step 5: Solve for x
    x = 3,569,137,388.16/55,001.60
  6. Step 6: Final answer
    x = 64,891.52

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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.