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Finding the Fourth Proportional to 55,957.71, 83,908.05 and 27,496.55

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Solution

The fourth proportional to 55,957.71, 83,908.05 and 27,496.55 is: 41,230.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,957.71 : 83,908.05 = 27,496.55 : x
  2. Step 2: Convert to fraction form
    55,957.71/83,908.05 = 27,496.55/x
  3. Step 3: Cross multiply
    55,957.71x = 83,908.05 × 27,496.55
  4. Step 4: Simplify right side
    55,957.71x = 2,307,181,892.23
  5. Step 5: Solve for x
    x = 2,307,181,892.23/55,957.71
  6. Step 6: Final answer
    x = 41,230.81

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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.