Home / 40,864.44-61,279.38-12,776.97

Finding the Fourth Proportional to 40,864.44, 61,279.38 and 12,776.97

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Solution

The fourth proportional to 40,864.44, 61,279.38 and 12,776.97 is: 19,160.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,864.44 : 61,279.38 = 12,776.97 : x
  2. Step 2: Convert to fraction form
    40,864.44/61,279.38 = 12,776.97/x
  3. Step 3: Cross multiply
    40,864.44x = 61,279.38 × 12,776.97
  4. Step 4: Simplify right side
    40,864.44x = 782,964,799.88
  5. Step 5: Solve for x
    x = 782,964,799.88/40,864.44
  6. Step 6: Final answer
    x = 19,160.05

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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.