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Finding the Fourth Proportional to 41,185.80, 61,723.08 and 30,040.20

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Solution

The fourth proportional to 41,185.80, 61,723.08 and 30,040.20 is: 45,019.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,185.80 : 61,723.08 = 30,040.20 : x
  2. Step 2: Convert to fraction form
    41,185.80/61,723.08 = 30,040.20/x
  3. Step 3: Cross multiply
    41,185.80x = 61,723.08 × 30,040.20
  4. Step 4: Simplify right side
    41,185.80x = 1,854,173,667.82
  5. Step 5: Solve for x
    x = 1,854,173,667.82/41,185.80
  6. Step 6: Final answer
    x = 45,019.73

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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.