Home / 39,575.38-59,369.55-18,791.86

Finding the Fourth Proportional to 39,575.38, 59,369.55 and 18,791.86

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Solution

The fourth proportional to 39,575.38, 59,369.55 and 18,791.86 is: 28,190.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,575.38 : 59,369.55 = 18,791.86 : x
  2. Step 2: Convert to fraction form
    39,575.38/59,369.55 = 18,791.86/x
  3. Step 3: Cross multiply
    39,575.38x = 59,369.55 × 18,791.86
  4. Step 4: Simplify right side
    39,575.38x = 1,115,664,271.86
  5. Step 5: Solve for x
    x = 1,115,664,271.86/39,575.38
  6. Step 6: Final answer
    x = 28,190.87

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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.