Home / 41,981-57,933.86-23,119.88

Finding the Fourth Proportional to 41,981, 57,933.86 and 23,119.88

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Solution

The fourth proportional to 41,981, 57,933.86 and 23,119.88 is: 31,905.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,981 : 57,933.86 = 23,119.88 : x
  2. Step 2: Convert to fraction form
    41,981/57,933.86 = 23,119.88/x
  3. Step 3: Cross multiply
    41,981x = 57,933.86 × 23,119.88
  4. Step 4: Simplify right side
    41,981x = 1,339,423,891.14
  5. Step 5: Solve for x
    x = 1,339,423,891.14/41,981
  6. Step 6: Final answer
    x = 31,905.48

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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.