Home / 33,867.20-50,842.40-21,387.20

Finding the Fourth Proportional to 33,867.20, 50,842.40 and 21,387.20

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Solution

The fourth proportional to 33,867.20, 50,842.40 and 21,387.20 is: 32,107.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,867.20 : 50,842.40 = 21,387.20 : x
  2. Step 2: Convert to fraction form
    33,867.20/50,842.40 = 21,387.20/x
  3. Step 3: Cross multiply
    33,867.20x = 50,842.40 × 21,387.20
  4. Step 4: Simplify right side
    33,867.20x = 1,087,376,577.28
  5. Step 5: Solve for x
    x = 1,087,376,577.28/33,867.20
  6. Step 6: Final answer
    x = 32,107.07

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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.