Home / 31,481.13-43,444.71-17,141.70

Finding the Fourth Proportional to 31,481.13, 43,444.71 and 17,141.70

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Solution

The fourth proportional to 31,481.13, 43,444.71 and 17,141.70 is: 23,655.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,481.13 : 43,444.71 = 17,141.70 : x
  2. Step 2: Convert to fraction form
    31,481.13/43,444.71 = 17,141.70/x
  3. Step 3: Cross multiply
    31,481.13x = 43,444.71 × 17,141.70
  4. Step 4: Simplify right side
    31,481.13x = 744,716,185.41
  5. Step 5: Solve for x
    x = 744,716,185.41/31,481.13
  6. Step 6: Final answer
    x = 23,655.95

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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.