Home / 54,131.08-81,164.20-24,129.76

Finding the Fourth Proportional to 54,131.08, 81,164.20 and 24,129.76

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Solution

The fourth proportional to 54,131.08, 81,164.20 and 24,129.76 is: 36,180.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,131.08 : 81,164.20 = 24,129.76 : x
  2. Step 2: Convert to fraction form
    54,131.08/81,164.20 = 24,129.76/x
  3. Step 3: Cross multiply
    54,131.08x = 81,164.20 × 24,129.76
  4. Step 4: Simplify right side
    54,131.08x = 1,958,472,666.59
  5. Step 5: Solve for x
    x = 1,958,472,666.59/54,131.08
  6. Step 6: Final answer
    x = 36,180.19

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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.