Home / 54,653.00-81,979.49-21,349.71

Finding the Fourth Proportional to 54,653.00, 81,979.49 and 21,349.71

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Solution

The fourth proportional to 54,653.00, 81,979.49 and 21,349.71 is: 32,024.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,653.00 : 81,979.49 = 21,349.71 : x
  2. Step 2: Convert to fraction form
    54,653.00/81,979.49 = 21,349.71/x
  3. Step 3: Cross multiply
    54,653.00x = 81,979.49 × 21,349.71
  4. Step 4: Simplify right side
    54,653.00x = 1,750,237,927.55
  5. Step 5: Solve for x
    x = 1,750,237,927.55/54,653.00
  6. Step 6: Final answer
    x = 32,024.56

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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.