Home / 39,538.26-54,562.95-21,633.21

Finding the Fourth Proportional to 39,538.26, 54,562.95 and 21,633.21

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Solution

The fourth proportional to 39,538.26, 54,562.95 and 21,633.21 is: 29,853.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,538.26 : 54,562.95 = 21,633.21 : x
  2. Step 2: Convert to fraction form
    39,538.26/54,562.95 = 21,633.21/x
  3. Step 3: Cross multiply
    39,538.26x = 54,562.95 × 21,633.21
  4. Step 4: Simplify right side
    39,538.26x = 1,180,371,755.57
  5. Step 5: Solve for x
    x = 1,180,371,755.57/39,538.26
  6. Step 6: Final answer
    x = 29,853.91

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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.