Home / 31,186.29-43,035.06-17,039.13

Finding the Fourth Proportional to 31,186.29, 43,035.06 and 17,039.13

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Solution

The fourth proportional to 31,186.29, 43,035.06 and 17,039.13 is: 23,512.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,186.29 : 43,035.06 = 17,039.13 : x
  2. Step 2: Convert to fraction form
    31,186.29/43,035.06 = 17,039.13/x
  3. Step 3: Cross multiply
    31,186.29x = 43,035.06 × 17,039.13
  4. Step 4: Simplify right side
    31,186.29x = 733,279,981.90
  5. Step 5: Solve for x
    x = 733,279,981.90/31,186.29
  6. Step 6: Final answer
    x = 23,512.90

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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.