Home / 54,627.65-81,941.46-19,591.91

Finding the Fourth Proportional to 54,627.65, 81,941.46 and 19,591.91

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Solution

The fourth proportional to 54,627.65, 81,941.46 and 19,591.91 is: 29,387.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,627.65 : 81,941.46 = 19,591.91 : x
  2. Step 2: Convert to fraction form
    54,627.65/81,941.46 = 19,591.91/x
  3. Step 3: Cross multiply
    54,627.65x = 81,941.46 × 19,591.91
  4. Step 4: Simplify right side
    54,627.65x = 1,605,389,709.59
  5. Step 5: Solve for x
    x = 1,605,389,709.59/54,627.65
  6. Step 6: Final answer
    x = 29,387.86

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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.