Home / 48,418.74-72,609.84-18,832.86

Finding the Fourth Proportional to 48,418.74, 72,609.84 and 18,832.86

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Solution

The fourth proportional to 48,418.74, 72,609.84 and 18,832.86 is: 28,242.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,418.74 : 72,609.84 = 18,832.86 : x
  2. Step 2: Convert to fraction form
    48,418.74/72,609.84 = 18,832.86/x
  3. Step 3: Cross multiply
    48,418.74x = 72,609.84 × 18,832.86
  4. Step 4: Simplify right side
    48,418.74x = 1,367,450,951.34
  5. Step 5: Solve for x
    x = 1,367,450,951.34/48,418.74
  6. Step 6: Final answer
    x = 28,242.18

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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.