Home / 39,656.91-54,726.57-21,752.04

Finding the Fourth Proportional to 39,656.91, 54,726.57 and 21,752.04

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Solution

The fourth proportional to 39,656.91, 54,726.57 and 21,752.04 is: 30,017.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,656.91 : 54,726.57 = 21,752.04 : x
  2. Step 2: Convert to fraction form
    39,656.91/54,726.57 = 21,752.04/x
  3. Step 3: Cross multiply
    39,656.91x = 54,726.57 × 21,752.04
  4. Step 4: Simplify right side
    39,656.91x = 1,190,414,539.70
  5. Step 5: Solve for x
    x = 1,190,414,539.70/39,656.91
  6. Step 6: Final answer
    x = 30,017.83

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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.