Home / 54,612.98-81,919.50-15,170.14

Finding the Fourth Proportional to 54,612.98, 81,919.50 and 15,170.14

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Solution

The fourth proportional to 54,612.98, 81,919.50 and 15,170.14 is: 22,755.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,612.98 : 81,919.50 = 15,170.14 : x
  2. Step 2: Convert to fraction form
    54,612.98/81,919.50 = 15,170.14/x
  3. Step 3: Cross multiply
    54,612.98x = 81,919.50 × 15,170.14
  4. Step 4: Simplify right side
    54,612.98x = 1,242,729,953.78
  5. Step 5: Solve for x
    x = 1,242,729,953.78/54,612.98
  6. Step 6: Final answer
    x = 22,755.21

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Double scale
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Similar ratio
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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.