Home / 31,885.14-44,001.86-18,272.91

Finding the Fourth Proportional to 31,885.14, 44,001.86 and 18,272.91

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Solution

The fourth proportional to 31,885.14, 44,001.86 and 18,272.91 is: 25,216.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,885.14 : 44,001.86 = 18,272.91 : x
  2. Step 2: Convert to fraction form
    31,885.14/44,001.86 = 18,272.91/x
  3. Step 3: Cross multiply
    31,885.14x = 44,001.86 × 18,272.91
  4. Step 4: Simplify right side
    31,885.14x = 804,042,027.61
  5. Step 5: Solve for x
    x = 804,042,027.61/31,885.14
  6. Step 6: Final answer
    x = 25,216.83

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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.