Home / 31,304.56-43,201.68-17,876.88

Finding the Fourth Proportional to 31,304.56, 43,201.68 and 17,876.88

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Solution

The fourth proportional to 31,304.56, 43,201.68 and 17,876.88 is: 24,670.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,304.56 : 43,201.68 = 17,876.88 : x
  2. Step 2: Convert to fraction form
    31,304.56/43,201.68 = 17,876.88/x
  3. Step 3: Cross multiply
    31,304.56x = 43,201.68 × 17,876.88
  4. Step 4: Simplify right side
    31,304.56x = 772,311,249.16
  5. Step 5: Solve for x
    x = 772,311,249.16/31,304.56
  6. Step 6: Final answer
    x = 24,670.89

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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.