Home / 29,660.71-40,931.76-16,231.96

Finding the Fourth Proportional to 29,660.71, 40,931.76 and 16,231.96

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Solution

The fourth proportional to 29,660.71, 40,931.76 and 16,231.96 is: 22,400.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,660.71 : 40,931.76 = 16,231.96 : x
  2. Step 2: Convert to fraction form
    29,660.71/40,931.76 = 16,231.96/x
  3. Step 3: Cross multiply
    29,660.71x = 40,931.76 × 16,231.96
  4. Step 4: Simplify right side
    29,660.71x = 664,402,691.05
  5. Step 5: Solve for x
    x = 664,402,691.05/29,660.71
  6. Step 6: Final answer
    x = 22,400.09

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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.