Home / 31,435.30-43,377.15-17,287.30

Finding the Fourth Proportional to 31,435.30, 43,377.15 and 17,287.30

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Solution

The fourth proportional to 31,435.30, 43,377.15 and 17,287.30 is: 23,854.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,435.30 : 43,377.15 = 17,287.30 : x
  2. Step 2: Convert to fraction form
    31,435.30/43,377.15 = 17,287.30/x
  3. Step 3: Cross multiply
    31,435.30x = 43,377.15 × 17,287.30
  4. Step 4: Simplify right side
    31,435.30x = 749,873,805.20
  5. Step 5: Solve for x
    x = 749,873,805.20/31,435.30
  6. Step 6: Final answer
    x = 23,854.51

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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.