Home / 65,491.32-98,236.20-28,019.52

Finding the Fourth Proportional to 65,491.32, 98,236.20 and 28,019.52

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Solution

The fourth proportional to 65,491.32, 98,236.20 and 28,019.52 is: 42,028.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,491.32 : 98,236.20 = 28,019.52 : x
  2. Step 2: Convert to fraction form
    65,491.32/98,236.20 = 28,019.52/x
  3. Step 3: Cross multiply
    65,491.32x = 98,236.20 × 28,019.52
  4. Step 4: Simplify right side
    65,491.32x = 2,752,531,170.62
  5. Step 5: Solve for x
    x = 2,752,531,170.62/65,491.32
  6. Step 6: Final answer
    x = 42,028.95

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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.