Home / 31,838.88-43,932.48-17,691.36

Finding the Fourth Proportional to 31,838.88, 43,932.48 and 17,691.36

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Solution

The fourth proportional to 31,838.88, 43,932.48 and 17,691.36 is: 24,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,838.88 : 43,932.48 = 17,691.36 : x
  2. Step 2: Convert to fraction form
    31,838.88/43,932.48 = 17,691.36/x
  3. Step 3: Cross multiply
    31,838.88x = 43,932.48 × 17,691.36
  4. Step 4: Simplify right side
    31,838.88x = 777,225,319.37
  5. Step 5: Solve for x
    x = 777,225,319.37/31,838.88
  6. Step 6: Final answer
    x = 24,411.20

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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.