Home / 57,382.20-85,830.30-51,501.60

Finding the Fourth Proportional to 57,382.20, 85,830.30 and 51,501.60

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Solution

The fourth proportional to 57,382.20, 85,830.30 and 51,501.60 is: 77,034.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,382.20 : 85,830.30 = 51,501.60 : x
  2. Step 2: Convert to fraction form
    57,382.20/85,830.30 = 51,501.60/x
  3. Step 3: Cross multiply
    57,382.20x = 85,830.30 × 51,501.60
  4. Step 4: Simplify right side
    57,382.20x = 4,420,397,778.48
  5. Step 5: Solve for x
    x = 4,420,397,778.48/57,382.20
  6. Step 6: Final answer
    x = 77,034.30

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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.