Home / 40,135.55-60,203.92-19,077.75

Finding the Fourth Proportional to 40,135.55, 60,203.92 and 19,077.75

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Solution

The fourth proportional to 40,135.55, 60,203.92 and 19,077.75 is: 28,616.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,135.55 : 60,203.92 = 19,077.75 : x
  2. Step 2: Convert to fraction form
    40,135.55/60,203.92 = 19,077.75/x
  3. Step 3: Cross multiply
    40,135.55x = 60,203.92 × 19,077.75
  4. Step 4: Simplify right side
    40,135.55x = 1,148,555,523.19
  5. Step 5: Solve for x
    x = 1,148,555,523.19/40,135.55
  6. Step 6: Final answer
    x = 28,616.91

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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.