Home / 48,929.80-67,422.90-40,462.60

Finding the Fourth Proportional to 48,929.80, 67,422.90 and 40,462.60

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Solution

The fourth proportional to 48,929.80, 67,422.90 and 40,462.60 is: 55,755.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,929.80 : 67,422.90 = 40,462.60 : x
  2. Step 2: Convert to fraction form
    48,929.80/67,422.90 = 40,462.60/x
  3. Step 3: Cross multiply
    48,929.80x = 67,422.90 × 40,462.60
  4. Step 4: Simplify right side
    48,929.80x = 2,728,105,833.54
  5. Step 5: Solve for x
    x = 2,728,105,833.54/48,929.80
  6. Step 6: Final answer
    x = 55,755.51

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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.