Home / 48,906.40-73,129.20-36,464.80

Finding the Fourth Proportional to 48,906.40, 73,129.20 and 36,464.80

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Solution

The fourth proportional to 48,906.40, 73,129.20 and 36,464.80 is: 54,525.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,906.40 : 73,129.20 = 36,464.80 : x
  2. Step 2: Convert to fraction form
    48,906.40/73,129.20 = 36,464.80/x
  3. Step 3: Cross multiply
    48,906.40x = 73,129.20 × 36,464.80
  4. Step 4: Simplify right side
    48,906.40x = 2,666,641,652.16
  5. Step 5: Solve for x
    x = 2,666,641,652.16/48,906.40
  6. Step 6: Final answer
    x = 54,525.41

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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.