Home / 31,267.72-43,149.97-17,119.65

Finding the Fourth Proportional to 31,267.72, 43,149.97 and 17,119.65

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Solution

The fourth proportional to 31,267.72, 43,149.97 and 17,119.65 is: 23,625.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,267.72 : 43,149.97 = 17,119.65 : x
  2. Step 2: Convert to fraction form
    31,267.72/43,149.97 = 17,119.65/x
  3. Step 3: Cross multiply
    31,267.72x = 43,149.97 × 17,119.65
  4. Step 4: Simplify right side
    31,267.72x = 738,712,470.82
  5. Step 5: Solve for x
    x = 738,712,470.82/31,267.72
  6. Step 6: Final answer
    x = 23,625.40

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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.