Home / 39,375.54-59,021.52-19,356.80

Finding the Fourth Proportional to 39,375.54, 59,021.52 and 19,356.80

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Solution

The fourth proportional to 39,375.54, 59,021.52 and 19,356.80 is: 29,014.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,375.54 : 59,021.52 = 19,356.80 : x
  2. Step 2: Convert to fraction form
    39,375.54/59,021.52 = 19,356.80/x
  3. Step 3: Cross multiply
    39,375.54x = 59,021.52 × 19,356.80
  4. Step 4: Simplify right side
    39,375.54x = 1,142,467,758.34
  5. Step 5: Solve for x
    x = 1,142,467,758.34/39,375.54
  6. Step 6: Final answer
    x = 29,014.66

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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.