Home / 49,073.13-73,554.48-20,979.09

Finding the Fourth Proportional to 49,073.13, 73,554.48 and 20,979.09

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Solution

The fourth proportional to 49,073.13, 73,554.48 and 20,979.09 is: 31,445.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,073.13 : 73,554.48 = 20,979.09 : x
  2. Step 2: Convert to fraction form
    49,073.13/73,554.48 = 20,979.09/x
  3. Step 3: Cross multiply
    49,073.13x = 73,554.48 × 20,979.09
  4. Step 4: Simplify right side
    49,073.13x = 1,543,106,055.82
  5. Step 5: Solve for x
    x = 1,543,106,055.82/49,073.13
  6. Step 6: Final answer
    x = 31,445.03

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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.