Home / 31,314.26-43,214.11-17,166.17

Finding the Fourth Proportional to 31,314.26, 43,214.11 and 17,166.17

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Solution

The fourth proportional to 31,314.26, 43,214.11 and 17,166.17 is: 23,689.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,314.26 : 43,214.11 = 17,166.17 : x
  2. Step 2: Convert to fraction form
    31,314.26/43,214.11 = 17,166.17/x
  3. Step 3: Cross multiply
    31,314.26x = 43,214.11 × 17,166.17
  4. Step 4: Simplify right side
    31,314.26x = 741,820,499.67
  5. Step 5: Solve for x
    x = 741,820,499.67/31,314.26
  6. Step 6: Final answer
    x = 23,689.55

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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.