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Finding the Fourth Proportional to 44,449.70, 66,660.64 and 14,860.63

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Solution

The fourth proportional to 44,449.70, 66,660.64 and 14,860.63 is: 22,286.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,449.70 : 66,660.64 = 14,860.63 : x
  2. Step 2: Convert to fraction form
    44,449.70/66,660.64 = 14,860.63/x
  3. Step 3: Cross multiply
    44,449.70x = 66,660.64 × 14,860.63
  4. Step 4: Simplify right side
    44,449.70x = 990,619,152.78
  5. Step 5: Solve for x
    x = 990,619,152.78/44,449.70
  6. Step 6: Final answer
    x = 22,286.30

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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.