Home / 54,752.22-82,128.33-21,487.95

Finding the Fourth Proportional to 54,752.22, 82,128.33 and 21,487.95

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Solution

The fourth proportional to 54,752.22, 82,128.33 and 21,487.95 is: 32,231.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,752.22 : 82,128.33 = 21,487.95 : x
  2. Step 2: Convert to fraction form
    54,752.22/82,128.33 = 21,487.95/x
  3. Step 3: Cross multiply
    54,752.22x = 82,128.33 × 21,487.95
  4. Step 4: Simplify right side
    54,752.22x = 1,764,769,448.62
  5. Step 5: Solve for x
    x = 1,764,769,448.62/54,752.22
  6. Step 6: Final answer
    x = 32,231.93

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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.