Home / 31,836.44-43,934.29-17,689.28

Finding the Fourth Proportional to 31,836.44, 43,934.29 and 17,689.28

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Solution

The fourth proportional to 31,836.44, 43,934.29 and 17,689.28 is: 24,411.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,836.44 : 43,934.29 = 17,689.28 : x
  2. Step 2: Convert to fraction form
    31,836.44/43,934.29 = 17,689.28/x
  3. Step 3: Cross multiply
    31,836.44x = 43,934.29 × 17,689.28
  4. Step 4: Simplify right side
    31,836.44x = 777,165,957.41
  5. Step 5: Solve for x
    x = 777,165,957.41/31,836.44
  6. Step 6: Final answer
    x = 24,411.21

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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.