Home / 54,840.38-82,260.99-13,287.38

Finding the Fourth Proportional to 54,840.38, 82,260.99 and 13,287.38

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Solution

The fourth proportional to 54,840.38, 82,260.99 and 13,287.38 is: 19,931.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,840.38 : 82,260.99 = 13,287.38 : x
  2. Step 2: Convert to fraction form
    54,840.38/82,260.99 = 13,287.38/x
  3. Step 3: Cross multiply
    54,840.38x = 82,260.99 × 13,287.38
  4. Step 4: Simplify right side
    54,840.38x = 1,093,032,622.00
  5. Step 5: Solve for x
    x = 1,093,032,622.00/54,840.38
  6. Step 6: Final answer
    x = 19,931.17

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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.