Home / 33,147.56-49,715.90-9,126.26

Finding the Fourth Proportional to 33,147.56, 49,715.90 and 9,126.26

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Solution

The fourth proportional to 33,147.56, 49,715.90 and 9,126.26 is: 13,687.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,147.56 : 49,715.90 = 9,126.26 : x
  2. Step 2: Convert to fraction form
    33,147.56/49,715.90 = 9,126.26/x
  3. Step 3: Cross multiply
    33,147.56x = 49,715.90 × 9,126.26
  4. Step 4: Simplify right side
    33,147.56x = 453,719,935.32
  5. Step 5: Solve for x
    x = 453,719,935.32/33,147.56
  6. Step 6: Final answer
    x = 13,687.89

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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.