Home / 39,060.40-53,902.20-22,065.44

Finding the Fourth Proportional to 39,060.40, 53,902.20 and 22,065.44

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Solution

The fourth proportional to 39,060.40, 53,902.20 and 22,065.44 is: 30,449.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,060.40 : 53,902.20 = 22,065.44 : x
  2. Step 2: Convert to fraction form
    39,060.40/53,902.20 = 22,065.44/x
  3. Step 3: Cross multiply
    39,060.40x = 53,902.20 × 22,065.44
  4. Step 4: Simplify right side
    39,060.40x = 1,189,375,759.97
  5. Step 5: Solve for x
    x = 1,189,375,759.97/39,060.40
  6. Step 6: Final answer
    x = 30,449.66

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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.