Home / 51,183.68-76,764.64-21,590.08

Finding the Fourth Proportional to 51,183.68, 76,764.64 and 21,590.08

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Solution

The fourth proportional to 51,183.68, 76,764.64 and 21,590.08 is: 32,380.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,183.68 : 76,764.64 = 21,590.08 : x
  2. Step 2: Convert to fraction form
    51,183.68/76,764.64 = 21,590.08/x
  3. Step 3: Cross multiply
    51,183.68x = 76,764.64 × 21,590.08
  4. Step 4: Simplify right side
    51,183.68x = 1,657,354,718.77
  5. Step 5: Solve for x
    x = 1,657,354,718.77/51,183.68
  6. Step 6: Final answer
    x = 32,380.53

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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.