Home / 31,853.46-47,739.15-13,110.96

Finding the Fourth Proportional to 31,853.46, 47,739.15 and 13,110.96

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Solution

The fourth proportional to 31,853.46, 47,739.15 and 13,110.96 is: 19,649.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,853.46 : 47,739.15 = 13,110.96 : x
  2. Step 2: Convert to fraction form
    31,853.46/47,739.15 = 13,110.96/x
  3. Step 3: Cross multiply
    31,853.46x = 47,739.15 × 13,110.96
  4. Step 4: Simplify right side
    31,853.46x = 625,906,086.08
  5. Step 5: Solve for x
    x = 625,906,086.08/31,853.46
  6. Step 6: Final answer
    x = 19,649.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.