Home / 31,309.04-43,207.52-17,161.92

Finding the Fourth Proportional to 31,309.04, 43,207.52 and 17,161.92

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Solution

The fourth proportional to 31,309.04, 43,207.52 and 17,161.92 is: 23,684.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,309.04 : 43,207.52 = 17,161.92 : x
  2. Step 2: Convert to fraction form
    31,309.04/43,207.52 = 17,161.92/x
  3. Step 3: Cross multiply
    31,309.04x = 43,207.52 × 17,161.92
  4. Step 4: Simplify right side
    31,309.04x = 741,524,001.64
  5. Step 5: Solve for x
    x = 741,524,001.64/31,309.04
  6. Step 6: Final answer
    x = 23,684.02

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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.