Home / 43,189.86-64,793.49-18,229.93

Finding the Fourth Proportional to 43,189.86, 64,793.49 and 18,229.93

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Solution

The fourth proportional to 43,189.86, 64,793.49 and 18,229.93 is: 27,348.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,189.86 : 64,793.49 = 18,229.93 : x
  2. Step 2: Convert to fraction form
    43,189.86/64,793.49 = 18,229.93/x
  3. Step 3: Cross multiply
    43,189.86x = 64,793.49 × 18,229.93
  4. Step 4: Simplify right side
    43,189.86x = 1,181,180,787.16
  5. Step 5: Solve for x
    x = 1,181,180,787.16/43,189.86
  6. Step 6: Final answer
    x = 27,348.57

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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.