Home / 54,755.19-82,132.56-21,451.74

Finding the Fourth Proportional to 54,755.19, 82,132.56 and 21,451.74

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Solution

The fourth proportional to 54,755.19, 82,132.56 and 21,451.74 is: 32,177.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,755.19 : 82,132.56 = 21,451.74 : x
  2. Step 2: Convert to fraction form
    54,755.19/82,132.56 = 21,451.74/x
  3. Step 3: Cross multiply
    54,755.19x = 82,132.56 × 21,451.74
  4. Step 4: Simplify right side
    54,755.19x = 1,761,885,954.32
  5. Step 5: Solve for x
    x = 1,761,885,954.32/54,755.19
  6. Step 6: Final answer
    x = 32,177.52

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1.5x scale

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.