Home / 38,769.12-58,141.44-12,468

Finding the Fourth Proportional to 38,769.12, 58,141.44 and 12,468

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Solution

The fourth proportional to 38,769.12, 58,141.44 and 12,468 is: 18,698.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,769.12 : 58,141.44 = 12,468 : x
  2. Step 2: Convert to fraction form
    38,769.12/58,141.44 = 12,468/x
  3. Step 3: Cross multiply
    38,769.12x = 58,141.44 × 12,468
  4. Step 4: Simplify right side
    38,769.12x = 724,907,473.92
  5. Step 5: Solve for x
    x = 724,907,473.92/38,769.12
  6. Step 6: Final answer
    x = 18,698.06

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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.