Home / 29,691.31-40,974.81-16,769.55

Finding the Fourth Proportional to 29,691.31, 40,974.81 and 16,769.55

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Solution

The fourth proportional to 29,691.31, 40,974.81 and 16,769.55 is: 23,142.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,691.31 : 40,974.81 = 16,769.55 : x
  2. Step 2: Convert to fraction form
    29,691.31/40,974.81 = 16,769.55/x
  3. Step 3: Cross multiply
    29,691.31x = 40,974.81 × 16,769.55
  4. Step 4: Simplify right side
    29,691.31x = 687,128,836.31
  5. Step 5: Solve for x
    x = 687,128,836.31/29,691.31
  6. Step 6: Final answer
    x = 23,142.42

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1.5x scale

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.