Home / 39,180.06-54,069.57-22,180.86

Finding the Fourth Proportional to 39,180.06, 54,069.57 and 22,180.86

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Solution

The fourth proportional to 39,180.06, 54,069.57 and 22,180.86 is: 30,610.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,180.06 : 54,069.57 = 22,180.86 : x
  2. Step 2: Convert to fraction form
    39,180.06/54,069.57 = 22,180.86/x
  3. Step 3: Cross multiply
    39,180.06x = 54,069.57 × 22,180.86
  4. Step 4: Simplify right side
    39,180.06x = 1,199,309,562.43
  5. Step 5: Solve for x
    x = 1,199,309,562.43/39,180.06
  6. Step 6: Final answer
    x = 30,610.20

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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.