Home / 31,987.80-44,161.25-22,182.75

Finding the Fourth Proportional to 31,987.80, 44,161.25 and 22,182.75

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Solution

The fourth proportional to 31,987.80, 44,161.25 and 22,182.75 is: 30,624.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,987.80 : 44,161.25 = 22,182.75 : x
  2. Step 2: Convert to fraction form
    31,987.80/44,161.25 = 22,182.75/x
  3. Step 3: Cross multiply
    31,987.80x = 44,161.25 × 22,182.75
  4. Step 4: Simplify right side
    31,987.80x = 979,617,857.52
  5. Step 5: Solve for x
    x = 979,617,857.52/31,987.80
  6. Step 6: Final answer
    x = 30,624.73

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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.