Home / 36,278.70-54,417.18-21,380.31

Finding the Fourth Proportional to 36,278.70, 54,417.18 and 21,380.31

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Solution

The fourth proportional to 36,278.70, 54,417.18 and 21,380.31 is: 32,069.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,278.70 : 54,417.18 = 21,380.31 : x
  2. Step 2: Convert to fraction form
    36,278.70/54,417.18 = 21,380.31/x
  3. Step 3: Cross multiply
    36,278.70x = 54,417.18 × 21,380.31
  4. Step 4: Simplify right side
    36,278.70x = 1,163,456,177.73
  5. Step 5: Solve for x
    x = 1,163,456,177.73/36,278.70
  6. Step 6: Final answer
    x = 32,069.95

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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.