Home / 31,874.64-43,985.19-17,727.18

Finding the Fourth Proportional to 31,874.64, 43,985.19 and 17,727.18

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Solution

The fourth proportional to 31,874.64, 43,985.19 and 17,727.18 is: 24,462.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,874.64 : 43,985.19 = 17,727.18 : x
  2. Step 2: Convert to fraction form
    31,874.64/43,985.19 = 17,727.18/x
  3. Step 3: Cross multiply
    31,874.64x = 43,985.19 × 17,727.18
  4. Step 4: Simplify right side
    31,874.64x = 779,733,380.46
  5. Step 5: Solve for x
    x = 779,733,380.46/31,874.64
  6. Step 6: Final answer
    x = 24,462.50

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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.