Home / 57,772.11-86,629.01-28,145.55

Finding the Fourth Proportional to 57,772.11, 86,629.01 and 28,145.55

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Solution

The fourth proportional to 57,772.11, 86,629.01 and 28,145.55 is: 42,204.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,772.11 : 86,629.01 = 28,145.55 : x
  2. Step 2: Convert to fraction form
    57,772.11/86,629.01 = 28,145.55/x
  3. Step 3: Cross multiply
    57,772.11x = 86,629.01 × 28,145.55
  4. Step 4: Simplify right side
    57,772.11x = 2,438,220,991.68
  5. Step 5: Solve for x
    x = 2,438,220,991.68/57,772.11
  6. Step 6: Final answer
    x = 42,204.12

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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.