Home / 31,513.88-43,489.17-17,366.74

Finding the Fourth Proportional to 31,513.88, 43,489.17 and 17,366.74

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Solution

The fourth proportional to 31,513.88, 43,489.17 and 17,366.74 is: 23,966.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,513.88 : 43,489.17 = 17,366.74 : x
  2. Step 2: Convert to fraction form
    31,513.88/43,489.17 = 17,366.74/x
  3. Step 3: Cross multiply
    31,513.88x = 43,489.17 × 17,366.74
  4. Step 4: Simplify right side
    31,513.88x = 755,264,999.48
  5. Step 5: Solve for x
    x = 755,264,999.48/31,513.88
  6. Step 6: Final answer
    x = 23,966.10

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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.