Home / 39,481.20-59,222.52-11,403.36

Finding the Fourth Proportional to 39,481.20, 59,222.52 and 11,403.36

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Solution

The fourth proportional to 39,481.20, 59,222.52 and 11,403.36 is: 17,105.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,481.20 : 59,222.52 = 11,403.36 : x
  2. Step 2: Convert to fraction form
    39,481.20/59,222.52 = 11,403.36/x
  3. Step 3: Cross multiply
    39,481.20x = 59,222.52 × 11,403.36
  4. Step 4: Simplify right side
    39,481.20x = 675,335,715.67
  5. Step 5: Solve for x
    x = 675,335,715.67/39,481.20
  6. Step 6: Final answer
    x = 17,105.25

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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.