Home / 54,293.10-81,434.52-19,230.90

Finding the Fourth Proportional to 54,293.10, 81,434.52 and 19,230.90

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Solution

The fourth proportional to 54,293.10, 81,434.52 and 19,230.90 is: 28,844.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,293.10 : 81,434.52 = 19,230.90 : x
  2. Step 2: Convert to fraction form
    54,293.10/81,434.52 = 19,230.90/x
  3. Step 3: Cross multiply
    54,293.10x = 81,434.52 × 19,230.90
  4. Step 4: Simplify right side
    54,293.10x = 1,566,059,110.67
  5. Step 5: Solve for x
    x = 1,566,059,110.67/54,293.10
  6. Step 6: Final answer
    x = 28,844.53

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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.