Home / 38,642.27-57,961.47-22,640.85

Finding the Fourth Proportional to 38,642.27, 57,961.47 and 22,640.85

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Solution

The fourth proportional to 38,642.27, 57,961.47 and 22,640.85 is: 33,960.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,642.27 : 57,961.47 = 22,640.85 : x
  2. Step 2: Convert to fraction form
    38,642.27/57,961.47 = 22,640.85/x
  3. Step 3: Cross multiply
    38,642.27x = 57,961.47 × 22,640.85
  4. Step 4: Simplify right side
    38,642.27x = 1,312,297,032.95
  5. Step 5: Solve for x
    x = 1,312,297,032.95/38,642.27
  6. Step 6: Final answer
    x = 33,960.15

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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.