Home / 38,902.40-58,286.40-18,083.20

Finding the Fourth Proportional to 38,902.40, 58,286.40 and 18,083.20

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Solution

The fourth proportional to 38,902.40, 58,286.40 and 18,083.20 is: 27,093.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,902.40 : 58,286.40 = 18,083.20 : x
  2. Step 2: Convert to fraction form
    38,902.40/58,286.40 = 18,083.20/x
  3. Step 3: Cross multiply
    38,902.40x = 58,286.40 × 18,083.20
  4. Step 4: Simplify right side
    38,902.40x = 1,054,004,628.48
  5. Step 5: Solve for x
    x = 1,054,004,628.48/38,902.40
  6. Step 6: Final answer
    x = 27,093.56

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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.