Home / 39,168.60-58,791.30-19,469.40

Finding the Fourth Proportional to 39,168.60, 58,791.30 and 19,469.40

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Solution

The fourth proportional to 39,168.60, 58,791.30 and 19,469.40 is: 29,223.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,168.60 : 58,791.30 = 19,469.40 : x
  2. Step 2: Convert to fraction form
    39,168.60/58,791.30 = 19,469.40/x
  3. Step 3: Cross multiply
    39,168.60x = 58,791.30 × 19,469.40
  4. Step 4: Simplify right side
    39,168.60x = 1,144,631,336.22
  5. Step 5: Solve for x
    x = 1,144,631,336.22/39,168.60
  6. Step 6: Final answer
    x = 29,223.19

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1.5x scale

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.