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Finding the Fourth Proportional to 40,604.67, 60,891.84 and 13,943.09

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Solution

The fourth proportional to 40,604.67, 60,891.84 and 13,943.09 is: 20,909.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,604.67 : 60,891.84 = 13,943.09 : x
  2. Step 2: Convert to fraction form
    40,604.67/60,891.84 = 13,943.09/x
  3. Step 3: Cross multiply
    40,604.67x = 60,891.84 × 13,943.09
  4. Step 4: Simplify right side
    40,604.67x = 849,020,405.39
  5. Step 5: Solve for x
    x = 849,020,405.39/40,604.67
  6. Step 6: Final answer
    x = 20,909.43

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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.