Home / 31,332.81-43,240.19-17,186.57

Finding the Fourth Proportional to 31,332.81, 43,240.19 and 17,186.57

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Solution

The fourth proportional to 31,332.81, 43,240.19 and 17,186.57 is: 23,717.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,332.81 : 43,240.19 = 17,186.57 : x
  2. Step 2: Convert to fraction form
    31,332.81/43,240.19 = 17,186.57/x
  3. Step 3: Cross multiply
    31,332.81x = 43,240.19 × 17,186.57
  4. Step 4: Simplify right side
    31,332.81x = 743,150,552.25
  5. Step 5: Solve for x
    x = 743,150,552.25/31,332.81
  6. Step 6: Final answer
    x = 23,717.97

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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.