Home / 48,054.64-72,081.96-21,758.80

Finding the Fourth Proportional to 48,054.64, 72,081.96 and 21,758.80

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Solution

The fourth proportional to 48,054.64, 72,081.96 and 21,758.80 is: 32,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,054.64 : 72,081.96 = 21,758.80 : x
  2. Step 2: Convert to fraction form
    48,054.64/72,081.96 = 21,758.80/x
  3. Step 3: Cross multiply
    48,054.64x = 72,081.96 × 21,758.80
  4. Step 4: Simplify right side
    48,054.64x = 1,568,416,951.25
  5. Step 5: Solve for x
    x = 1,568,416,951.25/48,054.64
  6. Step 6: Final answer
    x = 32,638.20

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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.