Home / 40,241.20-55,499.36-30,191.94

Finding the Fourth Proportional to 40,241.20, 55,499.36 and 30,191.94

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Solution

The fourth proportional to 40,241.20, 55,499.36 and 30,191.94 is: 41,639.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,241.20 : 55,499.36 = 30,191.94 : x
  2. Step 2: Convert to fraction form
    40,241.20/55,499.36 = 30,191.94/x
  3. Step 3: Cross multiply
    40,241.20x = 55,499.36 × 30,191.94
  4. Step 4: Simplify right side
    40,241.20x = 1,675,633,347.16
  5. Step 5: Solve for x
    x = 1,675,633,347.16/40,241.20
  6. Step 6: Final answer
    x = 41,639.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.