Home / 39,837.30-54,976.37-21,932.66

Finding the Fourth Proportional to 39,837.30, 54,976.37 and 21,932.66

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Solution

The fourth proportional to 39,837.30, 54,976.37 and 21,932.66 is: 30,267.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,837.30 : 54,976.37 = 21,932.66 : x
  2. Step 2: Convert to fraction form
    39,837.30/54,976.37 = 21,932.66/x
  3. Step 3: Cross multiply
    39,837.30x = 54,976.37 × 21,932.66
  4. Step 4: Simplify right side
    39,837.30x = 1,205,777,646.70
  5. Step 5: Solve for x
    x = 1,205,777,646.70/39,837.30
  6. Step 6: Final answer
    x = 30,267.55

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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.