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Finding the Fourth Proportional to 40,993.98, 61,452.09 and 17,605.50

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Solution

The fourth proportional to 40,993.98, 61,452.09 and 17,605.50 is: 26,391.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,993.98 : 61,452.09 = 17,605.50 : x
  2. Step 2: Convert to fraction form
    40,993.98/61,452.09 = 17,605.50/x
  3. Step 3: Cross multiply
    40,993.98x = 61,452.09 × 17,605.50
  4. Step 4: Simplify right side
    40,993.98x = 1,081,894,770.50
  5. Step 5: Solve for x
    x = 1,081,894,770.50/40,993.98
  6. Step 6: Final answer
    x = 26,391.55

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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.