Home / 66,935.87-100,350.52-33,178.13

Finding the Fourth Proportional to 66,935.87, 100,350.52 and 33,178.13

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Solution

The fourth proportional to 66,935.87, 100,350.52 and 33,178.13 is: 49,740.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,935.87 : 100,350.52 = 33,178.13 : x
  2. Step 2: Convert to fraction form
    66,935.87/100,350.52 = 33,178.13/x
  3. Step 3: Cross multiply
    66,935.87x = 100,350.52 × 33,178.13
  4. Step 4: Simplify right side
    66,935.87x = 3,329,441,930.48
  5. Step 5: Solve for x
    x = 3,329,441,930.48/66,935.87
  6. Step 6: Final answer
    x = 49,740.78

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1.5x scale

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.