Home / 39,147.57-58,716.09-11,069.87

Finding the Fourth Proportional to 39,147.57, 58,716.09 and 11,069.87

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Solution

The fourth proportional to 39,147.57, 58,716.09 and 11,069.87 is: 16,603.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,147.57 : 58,716.09 = 11,069.87 : x
  2. Step 2: Convert to fraction form
    39,147.57/58,716.09 = 11,069.87/x
  3. Step 3: Cross multiply
    39,147.57x = 58,716.09 × 11,069.87
  4. Step 4: Simplify right side
    39,147.57x = 649,979,189.63
  5. Step 5: Solve for x
    x = 649,979,189.63/39,147.57
  6. Step 6: Final answer
    x = 16,603.31

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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.