Home / 48,993.38-67,608.90-28,851.11

Finding the Fourth Proportional to 48,993.38, 67,608.90 and 28,851.11

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Solution

The fourth proportional to 48,993.38, 67,608.90 and 28,851.11 is: 39,813.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,993.38 : 67,608.90 = 28,851.11 : x
  2. Step 2: Convert to fraction form
    48,993.38/67,608.90 = 28,851.11/x
  3. Step 3: Cross multiply
    48,993.38x = 67,608.90 × 28,851.11
  4. Step 4: Simplify right side
    48,993.38x = 1,950,591,472.83
  5. Step 5: Solve for x
    x = 1,950,591,472.83/48,993.38
  6. Step 6: Final answer
    x = 39,813.37

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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.