Home / 31,207.88-43,067.13-17,060.72

Finding the Fourth Proportional to 31,207.88, 43,067.13 and 17,060.72

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Solution

The fourth proportional to 31,207.88, 43,067.13 and 17,060.72 is: 23,543.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,207.88 : 43,067.13 = 17,060.72 : x
  2. Step 2: Convert to fraction form
    31,207.88/43,067.13 = 17,060.72/x
  3. Step 3: Cross multiply
    31,207.88x = 43,067.13 × 17,060.72
  4. Step 4: Simplify right side
    31,207.88x = 734,756,030.80
  5. Step 5: Solve for x
    x = 734,756,030.80/31,207.88
  6. Step 6: Final answer
    x = 23,543.93

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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.