Home / 66,251.52-99,401.58-30,729.78

Finding the Fourth Proportional to 66,251.52, 99,401.58 and 30,729.78

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Solution

The fourth proportional to 66,251.52, 99,401.58 and 30,729.78 is: 46,105.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,251.52 : 99,401.58 = 30,729.78 : x
  2. Step 2: Convert to fraction form
    66,251.52/99,401.58 = 30,729.78/x
  3. Step 3: Cross multiply
    66,251.52x = 99,401.58 × 30,729.78
  4. Step 4: Simplify right side
    66,251.52x = 3,054,588,685.05
  5. Step 5: Solve for x
    x = 3,054,588,685.05/66,251.52
  6. Step 6: Final answer
    x = 46,105.94

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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.