Home / 31,339.07-43,247.18-17,191.79

Finding the Fourth Proportional to 31,339.07, 43,247.18 and 17,191.79

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Solution

The fourth proportional to 31,339.07, 43,247.18 and 17,191.79 is: 23,724.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,339.07 : 43,247.18 = 17,191.79 : x
  2. Step 2: Convert to fraction form
    31,339.07/43,247.18 = 17,191.79/x
  3. Step 3: Cross multiply
    31,339.07x = 43,247.18 × 17,191.79
  4. Step 4: Simplify right side
    31,339.07x = 743,496,350.69
  5. Step 5: Solve for x
    x = 743,496,350.69/31,339.07
  6. Step 6: Final answer
    x = 23,724.26

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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.