Home / 66,811.87-100,214.29-22,439.53

Finding the Fourth Proportional to 66,811.87, 100,214.29 and 22,439.53

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Solution

The fourth proportional to 66,811.87, 100,214.29 and 22,439.53 is: 33,658.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,811.87 : 100,214.29 = 22,439.53 : x
  2. Step 2: Convert to fraction form
    66,811.87/100,214.29 = 22,439.53/x
  3. Step 3: Cross multiply
    66,811.87x = 100,214.29 × 22,439.53
  4. Step 4: Simplify right side
    66,811.87x = 2,248,761,566.88
  5. Step 5: Solve for x
    x = 2,248,761,566.88/66,811.87
  6. Step 6: Final answer
    x = 33,658.11

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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.