Home / 38,158.21-57,236.71-10,456.21

Finding the Fourth Proportional to 38,158.21, 57,236.71 and 10,456.21

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Solution

The fourth proportional to 38,158.21, 57,236.71 and 10,456.21 is: 15,684.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,158.21 : 57,236.71 = 10,456.21 : x
  2. Step 2: Convert to fraction form
    38,158.21/57,236.71 = 10,456.21/x
  3. Step 3: Cross multiply
    38,158.21x = 57,236.71 × 10,456.21
  4. Step 4: Simplify right side
    38,158.21x = 598,479,059.47
  5. Step 5: Solve for x
    x = 598,479,059.47/38,158.21
  6. Step 6: Final answer
    x = 15,684.15

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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.