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Finding the Fourth Proportional to 40,035, 55,248.32 and 22,371

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Solution

The fourth proportional to 40,035, 55,248.32 and 22,371 is: 30,871.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,035 : 55,248.32 = 22,371 : x
  2. Step 2: Convert to fraction form
    40,035/55,248.32 = 22,371/x
  3. Step 3: Cross multiply
    40,035x = 55,248.32 × 22,371
  4. Step 4: Simplify right side
    40,035x = 1,235,960,166.72
  5. Step 5: Solve for x
    x = 1,235,960,166.72/40,035
  6. Step 6: Final answer
    x = 30,871.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.