Home / 36,178.12-54,375.90-29,978.92

Finding the Fourth Proportional to 36,178.12, 54,375.90 and 29,978.92

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Solution

The fourth proportional to 36,178.12, 54,375.90 and 29,978.92 is: 45,058.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,178.12 : 54,375.90 = 29,978.92 : x
  2. Step 2: Convert to fraction form
    36,178.12/54,375.90 = 29,978.92/x
  3. Step 3: Cross multiply
    36,178.12x = 54,375.90 × 29,978.92
  4. Step 4: Simplify right side
    36,178.12x = 1,630,130,756.03
  5. Step 5: Solve for x
    x = 1,630,130,756.03/36,178.12
  6. Step 6: Final answer
    x = 45,058.47

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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.