Home / 54,032.61-80,993.49-20,743.71

Finding the Fourth Proportional to 54,032.61, 80,993.49 and 20,743.71

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Solution

The fourth proportional to 54,032.61, 80,993.49 and 20,743.71 is: 31,094.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,032.61 : 80,993.49 = 20,743.71 : x
  2. Step 2: Convert to fraction form
    54,032.61/80,993.49 = 20,743.71/x
  3. Step 3: Cross multiply
    54,032.61x = 80,993.49 × 20,743.71
  4. Step 4: Simplify right side
    54,032.61x = 1,680,105,468.45
  5. Step 5: Solve for x
    x = 1,680,105,468.45/54,032.61
  6. Step 6: Final answer
    x = 31,094.29

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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.