Home / 31,874.42-43,986.08-17,726.96

Finding the Fourth Proportional to 31,874.42, 43,986.08 and 17,726.96

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Solution

The fourth proportional to 31,874.42, 43,986.08 and 17,726.96 is: 24,462.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,874.42 : 43,986.08 = 17,726.96 : x
  2. Step 2: Convert to fraction form
    31,874.42/43,986.08 = 17,726.96/x
  3. Step 3: Cross multiply
    31,874.42x = 43,986.08 × 17,726.96
  4. Step 4: Simplify right side
    31,874.42x = 779,739,480.72
  5. Step 5: Solve for x
    x = 779,739,480.72/31,874.42
  6. Step 6: Final answer
    x = 24,462.86

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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.