Home / 49,118.78-73,681.40-17,975.90

Finding the Fourth Proportional to 49,118.78, 73,681.40 and 17,975.90

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Solution

The fourth proportional to 49,118.78, 73,681.40 and 17,975.90 is: 26,965.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,118.78 : 73,681.40 = 17,975.90 : x
  2. Step 2: Convert to fraction form
    49,118.78/73,681.40 = 17,975.90/x
  3. Step 3: Cross multiply
    49,118.78x = 73,681.40 × 17,975.90
  4. Step 4: Simplify right side
    49,118.78x = 1,324,489,109.85
  5. Step 5: Solve for x
    x = 1,324,489,109.85/49,118.78
  6. Step 6: Final answer
    x = 26,965.03

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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.