Home / 40,358.40-60,559.20-18,175.20

Finding the Fourth Proportional to 40,358.40, 60,559.20 and 18,175.20

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Solution

The fourth proportional to 40,358.40, 60,559.20 and 18,175.20 is: 27,272.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,358.40 : 60,559.20 = 18,175.20 : x
  2. Step 2: Convert to fraction form
    40,358.40/60,559.20 = 18,175.20/x
  3. Step 3: Cross multiply
    40,358.40x = 60,559.20 × 18,175.20
  4. Step 4: Simplify right side
    40,358.40x = 1,100,675,571.84
  5. Step 5: Solve for x
    x = 1,100,675,571.84/40,358.40
  6. Step 6: Final answer
    x = 27,272.53

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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.