Home / 39,481.24-59,197.56-13,178.92

Finding the Fourth Proportional to 39,481.24, 59,197.56 and 13,178.92

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Solution

The fourth proportional to 39,481.24, 59,197.56 and 13,178.92 is: 19,760.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,481.24 : 59,197.56 = 13,178.92 : x
  2. Step 2: Convert to fraction form
    39,481.24/59,197.56 = 13,178.92/x
  3. Step 3: Cross multiply
    39,481.24x = 59,197.56 × 13,178.92
  4. Step 4: Simplify right side
    39,481.24x = 780,159,907.44
  5. Step 5: Solve for x
    x = 780,159,907.44/39,481.24
  6. Step 6: Final answer
    x = 19,760.27

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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.