Home / 38,154.60-57,237.30-11,856.60

Finding the Fourth Proportional to 38,154.60, 57,237.30 and 11,856.60

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Solution

The fourth proportional to 38,154.60, 57,237.30 and 11,856.60 is: 17,786.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,154.60 : 57,237.30 = 11,856.60 : x
  2. Step 2: Convert to fraction form
    38,154.60/57,237.30 = 11,856.60/x
  3. Step 3: Cross multiply
    38,154.60x = 57,237.30 × 11,856.60
  4. Step 4: Simplify right side
    38,154.60x = 678,639,771.18
  5. Step 5: Solve for x
    x = 678,639,771.18/38,154.60
  6. Step 6: Final answer
    x = 17,786.58

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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.