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Finding the Fourth Proportional to 44,519.88, 66,677.76 and 28,890.12

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Solution

The fourth proportional to 44,519.88, 66,677.76 and 28,890.12 is: 43,268.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,519.88 : 66,677.76 = 28,890.12 : x
  2. Step 2: Convert to fraction form
    44,519.88/66,677.76 = 28,890.12/x
  3. Step 3: Cross multiply
    44,519.88x = 66,677.76 × 28,890.12
  4. Step 4: Simplify right side
    44,519.88x = 1,926,328,487.73
  5. Step 5: Solve for x
    x = 1,926,328,487.73/44,519.88
  6. Step 6: Final answer
    x = 43,268.95

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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.