Home / 31,124.43-42,951.26-17,511.44

Finding the Fourth Proportional to 31,124.43, 42,951.26 and 17,511.44

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Solution

The fourth proportional to 31,124.43, 42,951.26 and 17,511.44 is: 24,165.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,124.43 : 42,951.26 = 17,511.44 : x
  2. Step 2: Convert to fraction form
    31,124.43/42,951.26 = 17,511.44/x
  3. Step 3: Cross multiply
    31,124.43x = 42,951.26 × 17,511.44
  4. Step 4: Simplify right side
    31,124.43x = 752,138,110.10
  5. Step 5: Solve for x
    x = 752,138,110.10/31,124.43
  6. Step 6: Final answer
    x = 24,165.52

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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.