Home / 48,809.32-73,225.24-20,730.28

Finding the Fourth Proportional to 48,809.32, 73,225.24 and 20,730.28

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Solution

The fourth proportional to 48,809.32, 73,225.24 and 20,730.28 is: 31,100.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,809.32 : 73,225.24 = 20,730.28 : x
  2. Step 2: Convert to fraction form
    48,809.32/73,225.24 = 20,730.28/x
  3. Step 3: Cross multiply
    48,809.32x = 73,225.24 × 20,730.28
  4. Step 4: Simplify right side
    48,809.32x = 1,517,979,493.38
  5. Step 5: Solve for x
    x = 1,517,979,493.38/48,809.32
  6. Step 6: Final answer
    x = 31,100.20

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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.