Home / 31,877.92-43,991.10-17,730.46

Finding the Fourth Proportional to 31,877.92, 43,991.10 and 17,730.46

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Solution

The fourth proportional to 31,877.92, 43,991.10 and 17,730.46 is: 24,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,877.92 : 43,991.10 = 17,730.46 : x
  2. Step 2: Convert to fraction form
    31,877.92/43,991.10 = 17,730.46/x
  3. Step 3: Cross multiply
    31,877.92x = 43,991.10 × 17,730.46
  4. Step 4: Simplify right side
    31,877.92x = 779,982,438.91
  5. Step 5: Solve for x
    x = 779,982,438.91/31,877.92
  6. Step 6: Final answer
    x = 24,467.80

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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.