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Finding the Fourth Proportional to 66,006.76, 99,042.84 and 30,949.12

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Solution

The fourth proportional to 66,006.76, 99,042.84 and 30,949.12 is: 46,439.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,006.76 : 99,042.84 = 30,949.12 : x
  2. Step 2: Convert to fraction form
    66,006.76/99,042.84 = 30,949.12/x
  3. Step 3: Cross multiply
    66,006.76x = 99,042.84 × 30,949.12
  4. Step 4: Simplify right side
    66,006.76x = 3,065,288,740.30
  5. Step 5: Solve for x
    x = 3,065,288,740.30/66,006.76
  6. Step 6: Final answer
    x = 46,439.01

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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.