Home / 48,719.86-73,081.83-15,439.19

Finding the Fourth Proportional to 48,719.86, 73,081.83 and 15,439.19

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Solution

The fourth proportional to 48,719.86, 73,081.83 and 15,439.19 is: 23,159.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,719.86 : 73,081.83 = 15,439.19 : x
  2. Step 2: Convert to fraction form
    48,719.86/73,081.83 = 15,439.19/x
  3. Step 3: Cross multiply
    48,719.86x = 73,081.83 × 15,439.19
  4. Step 4: Simplify right side
    48,719.86x = 1,128,324,181.72
  5. Step 5: Solve for x
    x = 1,128,324,181.72/48,719.86
  6. Step 6: Final answer
    x = 23,159.43

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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.