Home / 36,145.20-54,282.60-34,978.80

Finding the Fourth Proportional to 36,145.20, 54,282.60 and 34,978.80

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Solution

The fourth proportional to 36,145.20, 54,282.60 and 34,978.80 is: 52,530.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,145.20 : 54,282.60 = 34,978.80 : x
  2. Step 2: Convert to fraction form
    36,145.20/54,282.60 = 34,978.80/x
  3. Step 3: Cross multiply
    36,145.20x = 54,282.60 × 34,978.80
  4. Step 4: Simplify right side
    36,145.20x = 1,898,740,208.88
  5. Step 5: Solve for x
    x = 1,898,740,208.88/36,145.20
  6. Step 6: Final answer
    x = 52,530.91

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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.