Home / 31,488.61-43,456.25-17,341.45

Finding the Fourth Proportional to 31,488.61, 43,456.25 and 17,341.45

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Solution

The fourth proportional to 31,488.61, 43,456.25 and 17,341.45 is: 23,932.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,488.61 : 43,456.25 = 17,341.45 : x
  2. Step 2: Convert to fraction form
    31,488.61/43,456.25 = 17,341.45/x
  3. Step 3: Cross multiply
    31,488.61x = 43,456.25 × 17,341.45
  4. Step 4: Simplify right side
    31,488.61x = 753,594,321.28
  5. Step 5: Solve for x
    x = 753,594,321.28/31,488.61
  6. Step 6: Final answer
    x = 23,932.28

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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.