Home / 79,530.38-119,292.45-26,939.86

Finding the Fourth Proportional to 79,530.38, 119,292.45 and 26,939.86

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Solution

The fourth proportional to 79,530.38, 119,292.45 and 26,939.86 is: 40,408.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,530.38 : 119,292.45 = 26,939.86 : x
  2. Step 2: Convert to fraction form
    79,530.38/119,292.45 = 26,939.86/x
  3. Step 3: Cross multiply
    79,530.38x = 119,292.45 × 26,939.86
  4. Step 4: Simplify right side
    79,530.38x = 3,213,721,902.06
  5. Step 5: Solve for x
    x = 3,213,721,902.06/79,530.38
  6. Step 6: Final answer
    x = 40,408.73

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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.