Home / 31,482.80-47,169.68-22,105.02

Finding the Fourth Proportional to 31,482.80, 47,169.68 and 22,105.02

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Solution

The fourth proportional to 31,482.80, 47,169.68 and 22,105.02 is: 33,119.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,482.80 : 47,169.68 = 22,105.02 : x
  2. Step 2: Convert to fraction form
    31,482.80/47,169.68 = 22,105.02/x
  3. Step 3: Cross multiply
    31,482.80x = 47,169.68 × 22,105.02
  4. Step 4: Simplify right side
    31,482.80x = 1,042,686,719.79
  5. Step 5: Solve for x
    x = 1,042,686,719.79/31,482.80
  6. Step 6: Final answer
    x = 33,119.25

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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.