Home / 48,541.32-72,809.55-13,481.28

Finding the Fourth Proportional to 48,541.32, 72,809.55 and 13,481.28

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Solution

The fourth proportional to 48,541.32, 72,809.55 and 13,481.28 is: 20,221.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,541.32 : 72,809.55 = 13,481.28 : x
  2. Step 2: Convert to fraction form
    48,541.32/72,809.55 = 13,481.28/x
  3. Step 3: Cross multiply
    48,541.32x = 72,809.55 × 13,481.28
  4. Step 4: Simplify right side
    48,541.32x = 981,565,930.22
  5. Step 5: Solve for x
    x = 981,565,930.22/48,541.32
  6. Step 6: Final answer
    x = 20,221.25

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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.