Home / 48,478.15-72,717.09-15,198.36

Finding the Fourth Proportional to 48,478.15, 72,717.09 and 15,198.36

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Solution

The fourth proportional to 48,478.15, 72,717.09 and 15,198.36 is: 22,797.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,478.15 : 72,717.09 = 15,198.36 : x
  2. Step 2: Convert to fraction form
    48,478.15/72,717.09 = 15,198.36/x
  3. Step 3: Cross multiply
    48,478.15x = 72,717.09 × 15,198.36
  4. Step 4: Simplify right side
    48,478.15x = 1,105,180,148.39
  5. Step 5: Solve for x
    x = 1,105,180,148.39/48,478.15
  6. Step 6: Final answer
    x = 22,797.49

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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.