Home / 48,323.28-72,481.68-13,260

Finding the Fourth Proportional to 48,323.28, 72,481.68 and 13,260

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Solution

The fourth proportional to 48,323.28, 72,481.68 and 13,260 is: 19,889.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,323.28 : 72,481.68 = 13,260 : x
  2. Step 2: Convert to fraction form
    48,323.28/72,481.68 = 13,260/x
  3. Step 3: Cross multiply
    48,323.28x = 72,481.68 × 13,260
  4. Step 4: Simplify right side
    48,323.28x = 961,107,076.80
  5. Step 5: Solve for x
    x = 961,107,076.80/48,323.28
  6. Step 6: Final answer
    x = 19,889.11

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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.