Home / 51,200.20-76,670.70-40,832.20

Finding the Fourth Proportional to 51,200.20, 76,670.70 and 40,832.20

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Solution

The fourth proportional to 51,200.20, 76,670.70 and 40,832.20 is: 61,144.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,200.20 : 76,670.70 = 40,832.20 : x
  2. Step 2: Convert to fraction form
    51,200.20/76,670.70 = 40,832.20/x
  3. Step 3: Cross multiply
    51,200.20x = 76,670.70 × 40,832.20
  4. Step 4: Simplify right side
    51,200.20x = 3,130,633,356.54
  5. Step 5: Solve for x
    x = 3,130,633,356.54/51,200.20
  6. Step 6: Final answer
    x = 61,144.94

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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.