Home / 34,661.07-47,839.68-21,906.14

Finding the Fourth Proportional to 34,661.07, 47,839.68 and 21,906.14

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Solution

The fourth proportional to 34,661.07, 47,839.68 and 21,906.14 is: 30,235.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,661.07 : 47,839.68 = 21,906.14 : x
  2. Step 2: Convert to fraction form
    34,661.07/47,839.68 = 21,906.14/x
  3. Step 3: Cross multiply
    34,661.07x = 47,839.68 × 21,906.14
  4. Step 4: Simplify right side
    34,661.07x = 1,047,982,488.44
  5. Step 5: Solve for x
    x = 1,047,982,488.44/34,661.07
  6. Step 6: Final answer
    x = 30,235.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.