Home / 31,239.26-43,110.16-17,092.20

Finding the Fourth Proportional to 31,239.26, 43,110.16 and 17,092.20

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Solution

The fourth proportional to 31,239.26, 43,110.16 and 17,092.20 is: 23,587.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,239.26 : 43,110.16 = 17,092.20 : x
  2. Step 2: Convert to fraction form
    31,239.26/43,110.16 = 17,092.20/x
  3. Step 3: Cross multiply
    31,239.26x = 43,110.16 × 17,092.20
  4. Step 4: Simplify right side
    31,239.26x = 736,847,476.75
  5. Step 5: Solve for x
    x = 736,847,476.75/31,239.26
  6. Step 6: Final answer
    x = 23,587.23

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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.