Home / 38,884.14-58,323.78-20,158.56

Finding the Fourth Proportional to 38,884.14, 58,323.78 and 20,158.56

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Solution

The fourth proportional to 38,884.14, 58,323.78 and 20,158.56 is: 30,236.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,884.14 : 58,323.78 = 20,158.56 : x
  2. Step 2: Convert to fraction form
    38,884.14/58,323.78 = 20,158.56/x
  3. Step 3: Cross multiply
    38,884.14x = 58,323.78 × 20,158.56
  4. Step 4: Simplify right side
    38,884.14x = 1,175,723,418.56
  5. Step 5: Solve for x
    x = 1,175,723,418.56/38,884.14
  6. Step 6: Final answer
    x = 30,236.58

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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.