Home / 40,861.56-61,255.34-28,387.44

Finding the Fourth Proportional to 40,861.56, 61,255.34 and 28,387.44

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Solution

The fourth proportional to 40,861.56, 61,255.34 and 28,387.44 is: 42,555.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,861.56 : 61,255.34 = 28,387.44 : x
  2. Step 2: Convert to fraction form
    40,861.56/61,255.34 = 28,387.44/x
  3. Step 3: Cross multiply
    40,861.56x = 61,255.34 × 28,387.44
  4. Step 4: Simplify right side
    40,861.56x = 1,738,882,288.93
  5. Step 5: Solve for x
    x = 1,738,882,288.93/40,861.56
  6. Step 6: Final answer
    x = 42,555.46

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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.