Home / 63,422.60-95,138.46-21,869

Finding the Fourth Proportional to 63,422.60, 95,138.46 and 21,869

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Solution

The fourth proportional to 63,422.60, 95,138.46 and 21,869 is: 32,805.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,422.60 : 95,138.46 = 21,869 : x
  2. Step 2: Convert to fraction form
    63,422.60/95,138.46 = 21,869/x
  3. Step 3: Cross multiply
    63,422.60x = 95,138.46 × 21,869
  4. Step 4: Simplify right side
    63,422.60x = 2,080,582,981.74
  5. Step 5: Solve for x
    x = 2,080,582,981.74/63,422.60
  6. Step 6: Final answer
    x = 32,805.07

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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.