Home / 31,334.13-43,240.28-17,186.09

Finding the Fourth Proportional to 31,334.13, 43,240.28 and 17,186.09

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Solution

The fourth proportional to 31,334.13, 43,240.28 and 17,186.09 is: 23,716.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,334.13 : 43,240.28 = 17,186.09 : x
  2. Step 2: Convert to fraction form
    31,334.13/43,240.28 = 17,186.09/x
  3. Step 3: Cross multiply
    31,334.13x = 43,240.28 × 17,186.09
  4. Step 4: Simplify right side
    31,334.13x = 743,131,041.57
  5. Step 5: Solve for x
    x = 743,131,041.57/31,334.13
  6. Step 6: Final answer
    x = 23,716.35

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Double scale
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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.