Home / 31,761.54-43,829.82-17,615.70

Finding the Fourth Proportional to 31,761.54, 43,829.82 and 17,615.70

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Solution

The fourth proportional to 31,761.54, 43,829.82 and 17,615.70 is: 24,309.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,761.54 : 43,829.82 = 17,615.70 : x
  2. Step 2: Convert to fraction form
    31,761.54/43,829.82 = 17,615.70/x
  3. Step 3: Cross multiply
    31,761.54x = 43,829.82 × 17,615.70
  4. Step 4: Simplify right side
    31,761.54x = 772,092,960.17
  5. Step 5: Solve for x
    x = 772,092,960.17/31,761.54
  6. Step 6: Final answer
    x = 24,309.05

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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.