Home / 31,534.84-43,517.42-17,387.72

Finding the Fourth Proportional to 31,534.84, 43,517.42 and 17,387.72

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Solution

The fourth proportional to 31,534.84, 43,517.42 and 17,387.72 is: 23,994.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,534.84 : 43,517.42 = 17,387.72 : x
  2. Step 2: Convert to fraction form
    31,534.84/43,517.42 = 17,387.72/x
  3. Step 3: Cross multiply
    31,534.84x = 43,517.42 × 17,387.72
  4. Step 4: Simplify right side
    31,534.84x = 756,668,714.08
  5. Step 5: Solve for x
    x = 756,668,714.08/31,534.84
  6. Step 6: Final answer
    x = 23,994.69

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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.