Home / 38,914.17-58,388.54-18,914.73

Finding the Fourth Proportional to 38,914.17, 58,388.54 and 18,914.73

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Solution

The fourth proportional to 38,914.17, 58,388.54 and 18,914.73 is: 28,380.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,914.17 : 58,388.54 = 18,914.73 : x
  2. Step 2: Convert to fraction form
    38,914.17/58,388.54 = 18,914.73/x
  3. Step 3: Cross multiply
    38,914.17x = 58,388.54 × 18,914.73
  4. Step 4: Simplify right side
    38,914.17x = 1,104,403,469.19
  5. Step 5: Solve for x
    x = 1,104,403,469.19/38,914.17
  6. Step 6: Final answer
    x = 28,380.50

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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.