Home / 31,217.13-43,080.67-17,069.97

Finding the Fourth Proportional to 31,217.13, 43,080.67 and 17,069.97

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Solution

The fourth proportional to 31,217.13, 43,080.67 and 17,069.97 is: 23,557.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,217.13 : 43,080.67 = 17,069.97 : x
  2. Step 2: Convert to fraction form
    31,217.13/43,080.67 = 17,069.97/x
  3. Step 3: Cross multiply
    31,217.13x = 43,080.67 × 17,069.97
  4. Step 4: Simplify right side
    31,217.13x = 735,385,927.37
  5. Step 5: Solve for x
    x = 735,385,927.37/31,217.13
  6. Step 6: Final answer
    x = 23,557.13

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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.