Home / 39,764.78-59,645.62-13,469.52

Finding the Fourth Proportional to 39,764.78, 59,645.62 and 13,469.52

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Solution

The fourth proportional to 39,764.78, 59,645.62 and 13,469.52 is: 20,203.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,764.78 : 59,645.62 = 13,469.52 : x
  2. Step 2: Convert to fraction form
    39,764.78/59,645.62 = 13,469.52/x
  3. Step 3: Cross multiply
    39,764.78x = 59,645.62 × 13,469.52
  4. Step 4: Simplify right side
    39,764.78x = 803,398,036.24
  5. Step 5: Solve for x
    x = 803,398,036.24/39,764.78
  6. Step 6: Final answer
    x = 20,203.76

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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.