Home / 33,279.18-49,932.36-21,439.14

Finding the Fourth Proportional to 33,279.18, 49,932.36 and 21,439.14

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Solution

The fourth proportional to 33,279.18, 49,932.36 and 21,439.14 is: 32,167.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,279.18 : 49,932.36 = 21,439.14 : x
  2. Step 2: Convert to fraction form
    33,279.18/49,932.36 = 21,439.14/x
  3. Step 3: Cross multiply
    33,279.18x = 49,932.36 × 21,439.14
  4. Step 4: Simplify right side
    33,279.18x = 1,070,506,856.57
  5. Step 5: Solve for x
    x = 1,070,506,856.57/33,279.18
  6. Step 6: Final answer
    x = 32,167.46

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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.