Home / 54,754.66-82,132.65-21,490.39

Finding the Fourth Proportional to 54,754.66, 82,132.65 and 21,490.39

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Solution

The fourth proportional to 54,754.66, 82,132.65 and 21,490.39 is: 32,235.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,754.66 : 82,132.65 = 21,490.39 : x
  2. Step 2: Convert to fraction form
    54,754.66/82,132.65 = 21,490.39/x
  3. Step 3: Cross multiply
    54,754.66x = 82,132.65 × 21,490.39
  4. Step 4: Simplify right side
    54,754.66x = 1,765,062,626.51
  5. Step 5: Solve for x
    x = 1,765,062,626.51/54,754.66
  6. Step 6: Final answer
    x = 32,235.84

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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.