Home / 66,428.60-99,621.23-22,043.43

Finding the Fourth Proportional to 66,428.60, 99,621.23 and 22,043.43

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Solution

The fourth proportional to 66,428.60, 99,621.23 and 22,043.43 is: 33,057.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,428.60 : 99,621.23 = 22,043.43 : x
  2. Step 2: Convert to fraction form
    66,428.60/99,621.23 = 22,043.43/x
  3. Step 3: Cross multiply
    66,428.60x = 99,621.23 × 22,043.43
  4. Step 4: Simplify right side
    66,428.60x = 2,195,993,499.80
  5. Step 5: Solve for x
    x = 2,195,993,499.80/66,428.60
  6. Step 6: Final answer
    x = 33,057.95

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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.