Home / 31,220.91-43,084.91-17,073.86

Finding the Fourth Proportional to 31,220.91, 43,084.91 and 17,073.86

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Solution

The fourth proportional to 31,220.91, 43,084.91 and 17,073.86 is: 23,561.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,220.91 : 43,084.91 = 17,073.86 : x
  2. Step 2: Convert to fraction form
    31,220.91/43,084.91 = 17,073.86/x
  3. Step 3: Cross multiply
    31,220.91x = 43,084.91 × 17,073.86
  4. Step 4: Simplify right side
    31,220.91x = 735,625,548.71
  5. Step 5: Solve for x
    x = 735,625,548.71/31,220.91
  6. Step 6: Final answer
    x = 23,561.95

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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.