Home / 55,260.33-82,882.14-20,191.78

Finding the Fourth Proportional to 55,260.33, 82,882.14 and 20,191.78

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Solution

The fourth proportional to 55,260.33, 82,882.14 and 20,191.78 is: 30,284.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,260.33 : 82,882.14 = 20,191.78 : x
  2. Step 2: Convert to fraction form
    55,260.33/82,882.14 = 20,191.78/x
  3. Step 3: Cross multiply
    55,260.33x = 82,882.14 × 20,191.78
  4. Step 4: Simplify right side
    55,260.33x = 1,673,537,964.69
  5. Step 5: Solve for x
    x = 1,673,537,964.69/55,260.33
  6. Step 6: Final answer
    x = 30,284.62

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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.