Home / 38,558.28-57,836.62-12,263.08

Finding the Fourth Proportional to 38,558.28, 57,836.62 and 12,263.08

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Solution

The fourth proportional to 38,558.28, 57,836.62 and 12,263.08 is: 18,394.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,558.28 : 57,836.62 = 12,263.08 : x
  2. Step 2: Convert to fraction form
    38,558.28/57,836.62 = 12,263.08/x
  3. Step 3: Cross multiply
    38,558.28x = 57,836.62 × 12,263.08
  4. Step 4: Simplify right side
    38,558.28x = 709,255,097.99
  5. Step 5: Solve for x
    x = 709,255,097.99/38,558.28
  6. Step 6: Final answer
    x = 18,394.37

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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.