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Finding the Fourth Proportional to 66,409.20, 99,613.80 and 24,850.80

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Solution

The fourth proportional to 66,409.20, 99,613.80 and 24,850.80 is: 37,276.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,409.20 : 99,613.80 = 24,850.80 : x
  2. Step 2: Convert to fraction form
    66,409.20/99,613.80 = 24,850.80/x
  3. Step 3: Cross multiply
    66,409.20x = 99,613.80 × 24,850.80
  4. Step 4: Simplify right side
    66,409.20x = 2,475,482,621.04
  5. Step 5: Solve for x
    x = 2,475,482,621.04/66,409.20
  6. Step 6: Final answer
    x = 37,276.20

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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.