Home / 48,788.35-73,180.80-20,690.32

Finding the Fourth Proportional to 48,788.35, 73,180.80 and 20,690.32

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Solution

The fourth proportional to 48,788.35, 73,180.80 and 20,690.32 is: 31,034.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,788.35 : 73,180.80 = 20,690.32 : x
  2. Step 2: Convert to fraction form
    48,788.35/73,180.80 = 20,690.32/x
  3. Step 3: Cross multiply
    48,788.35x = 73,180.80 × 20,690.32
  4. Step 4: Simplify right side
    48,788.35x = 1,514,134,169.86
  5. Step 5: Solve for x
    x = 1,514,134,169.86/48,788.35
  6. Step 6: Final answer
    x = 31,034.75

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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.