Home / 82,454.76-123,692.40-26,279.64

Finding the Fourth Proportional to 82,454.76, 123,692.40 and 26,279.64

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Solution

The fourth proportional to 82,454.76, 123,692.40 and 26,279.64 is: 39,422.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,454.76 : 123,692.40 = 26,279.64 : x
  2. Step 2: Convert to fraction form
    82,454.76/123,692.40 = 26,279.64/x
  3. Step 3: Cross multiply
    82,454.76x = 123,692.40 × 26,279.64
  4. Step 4: Simplify right side
    82,454.76x = 3,250,591,742.74
  5. Step 5: Solve for x
    x = 3,250,591,742.74/82,454.76
  6. Step 6: Final answer
    x = 39,422.73

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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.