Home / 51,217.80-76,836.96-21,635.52

Finding the Fourth Proportional to 51,217.80, 76,836.96 and 21,635.52

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Solution

The fourth proportional to 51,217.80, 76,836.96 and 21,635.52 is: 32,457.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,217.80 : 76,836.96 = 21,635.52 : x
  2. Step 2: Convert to fraction form
    51,217.80/76,836.96 = 21,635.52/x
  3. Step 3: Cross multiply
    51,217.80x = 76,836.96 × 21,635.52
  4. Step 4: Simplify right side
    51,217.80x = 1,662,407,584.82
  5. Step 5: Solve for x
    x = 1,662,407,584.82/51,217.80
  6. Step 6: Final answer
    x = 32,457.61

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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.