Home / 40,360.79-60,540.57-18,158.49

Finding the Fourth Proportional to 40,360.79, 60,540.57 and 18,158.49

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Solution

The fourth proportional to 40,360.79, 60,540.57 and 18,158.49 is: 27,237.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,360.79 : 60,540.57 = 18,158.49 : x
  2. Step 2: Convert to fraction form
    40,360.79/60,540.57 = 18,158.49/x
  3. Step 3: Cross multiply
    40,360.79x = 60,540.57 × 18,158.49
  4. Step 4: Simplify right side
    40,360.79x = 1,099,325,334.94
  5. Step 5: Solve for x
    x = 1,099,325,334.94/40,360.79
  6. Step 6: Final answer
    x = 27,237.46

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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.