Home / 51,620.15-77,234.55-30,571.49

Finding the Fourth Proportional to 51,620.15, 77,234.55 and 30,571.49

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Solution

The fourth proportional to 51,620.15, 77,234.55 and 30,571.49 is: 45,741.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,620.15 : 77,234.55 = 30,571.49 : x
  2. Step 2: Convert to fraction form
    51,620.15/77,234.55 = 30,571.49/x
  3. Step 3: Cross multiply
    51,620.15x = 77,234.55 × 30,571.49
  4. Step 4: Simplify right side
    51,620.15x = 2,361,175,351.42
  5. Step 5: Solve for x
    x = 2,361,175,351.42/51,620.15
  6. Step 6: Final answer
    x = 45,741.35

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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.