Home / 38,101.08-57,142.40-15,902.43

Finding the Fourth Proportional to 38,101.08, 57,142.40 and 15,902.43

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Solution

The fourth proportional to 38,101.08, 57,142.40 and 15,902.43 is: 23,849.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,101.08 : 57,142.40 = 15,902.43 : x
  2. Step 2: Convert to fraction form
    38,101.08/57,142.40 = 15,902.43/x
  3. Step 3: Cross multiply
    38,101.08x = 57,142.40 × 15,902.43
  4. Step 4: Simplify right side
    38,101.08x = 908,702,722.24
  5. Step 5: Solve for x
    x = 908,702,722.24/38,101.08
  6. Step 6: Final answer
    x = 23,849.79

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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.