Home / 48,940.20-73,418.40-20,873.70

Finding the Fourth Proportional to 48,940.20, 73,418.40 and 20,873.70

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Solution

The fourth proportional to 48,940.20, 73,418.40 and 20,873.70 is: 31,314.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,940.20 : 73,418.40 = 20,873.70 : x
  2. Step 2: Convert to fraction form
    48,940.20/73,418.40 = 20,873.70/x
  3. Step 3: Cross multiply
    48,940.20x = 73,418.40 × 20,873.70
  4. Step 4: Simplify right side
    48,940.20x = 1,532,513,656.08
  5. Step 5: Solve for x
    x = 1,532,513,656.08/48,940.20
  6. Step 6: Final answer
    x = 31,314.00

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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.