Home / 57,153.06-85,860.99-40,324.80

Finding the Fourth Proportional to 57,153.06, 85,860.99 and 40,324.80

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Solution

The fourth proportional to 57,153.06, 85,860.99 and 40,324.80 is: 60,579.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,153.06 : 85,860.99 = 40,324.80 : x
  2. Step 2: Convert to fraction form
    57,153.06/85,860.99 = 40,324.80/x
  3. Step 3: Cross multiply
    57,153.06x = 85,860.99 × 40,324.80
  4. Step 4: Simplify right side
    57,153.06x = 3,462,327,249.55
  5. Step 5: Solve for x
    x = 3,462,327,249.55/57,153.06
  6. Step 6: Final answer
    x = 60,579.91

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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.