Home / 39,538.26-54,560.79-22,543.20

Finding the Fourth Proportional to 39,538.26, 54,560.79 and 22,543.20

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Solution

The fourth proportional to 39,538.26, 54,560.79 and 22,543.20 is: 31,108.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,538.26 : 54,560.79 = 22,543.20 : x
  2. Step 2: Convert to fraction form
    39,538.26/54,560.79 = 22,543.20/x
  3. Step 3: Cross multiply
    39,538.26x = 54,560.79 × 22,543.20
  4. Step 4: Simplify right side
    39,538.26x = 1,229,974,801.13
  5. Step 5: Solve for x
    x = 1,229,974,801.13/39,538.26
  6. Step 6: Final answer
    x = 31,108.47

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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.