Home / 39,778.24-59,660.88-12,076.24

Finding the Fourth Proportional to 39,778.24, 59,660.88 and 12,076.24

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Solution

The fourth proportional to 39,778.24, 59,660.88 and 12,076.24 is: 18,112.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,778.24 : 59,660.88 = 12,076.24 : x
  2. Step 2: Convert to fraction form
    39,778.24/59,660.88 = 12,076.24/x
  3. Step 3: Cross multiply
    39,778.24x = 59,660.88 × 12,076.24
  4. Step 4: Simplify right side
    39,778.24x = 720,479,105.49
  5. Step 5: Solve for x
    x = 720,479,105.49/39,778.24
  6. Step 6: Final answer
    x = 18,112.39

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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.