Home / 38,133.30-57,216.15-18,401.70

Finding the Fourth Proportional to 38,133.30, 57,216.15 and 18,401.70

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Solution

The fourth proportional to 38,133.30, 57,216.15 and 18,401.70 is: 27,610.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,133.30 : 57,216.15 = 18,401.70 : x
  2. Step 2: Convert to fraction form
    38,133.30/57,216.15 = 18,401.70/x
  3. Step 3: Cross multiply
    38,133.30x = 57,216.15 × 18,401.70
  4. Step 4: Simplify right side
    38,133.30x = 1,052,874,427.46
  5. Step 5: Solve for x
    x = 1,052,874,427.46/38,133.30
  6. Step 6: Final answer
    x = 27,610.37

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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.