Home / 54,180.79-81,250.98-18,632.05

Finding the Fourth Proportional to 54,180.79, 81,250.98 and 18,632.05

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Solution

The fourth proportional to 54,180.79, 81,250.98 and 18,632.05 is: 27,941.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,180.79 : 81,250.98 = 18,632.05 : x
  2. Step 2: Convert to fraction form
    54,180.79/81,250.98 = 18,632.05/x
  3. Step 3: Cross multiply
    54,180.79x = 81,250.98 × 18,632.05
  4. Step 4: Simplify right side
    54,180.79x = 1,513,872,321.91
  5. Step 5: Solve for x
    x = 1,513,872,321.91/54,180.79
  6. Step 6: Final answer
    x = 27,941.13

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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.