Home / 31,442.14-47,169.38-10,381.33

Finding the Fourth Proportional to 31,442.14, 47,169.38 and 10,381.33

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Solution

The fourth proportional to 31,442.14, 47,169.38 and 10,381.33 is: 15,574.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,442.14 : 47,169.38 = 10,381.33 : x
  2. Step 2: Convert to fraction form
    31,442.14/47,169.38 = 10,381.33/x
  3. Step 3: Cross multiply
    31,442.14x = 47,169.38 × 10,381.33
  4. Step 4: Simplify right side
    31,442.14x = 489,680,899.68
  5. Step 5: Solve for x
    x = 489,680,899.68/31,442.14
  6. Step 6: Final answer
    x = 15,574.03

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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.