Home / 41,231.20-61,808.40-28,751.20

Finding the Fourth Proportional to 41,231.20, 61,808.40 and 28,751.20

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Solution

The fourth proportional to 41,231.20, 61,808.40 and 28,751.20 is: 43,100.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,231.20 : 61,808.40 = 28,751.20 : x
  2. Step 2: Convert to fraction form
    41,231.20/61,808.40 = 28,751.20/x
  3. Step 3: Cross multiply
    41,231.20x = 61,808.40 × 28,751.20
  4. Step 4: Simplify right side
    41,231.20x = 1,777,065,670.08
  5. Step 5: Solve for x
    x = 1,777,065,670.08/41,231.20
  6. Step 6: Final answer
    x = 43,100.02

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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.