Home / 38,143.14-57,220.83-11,841.72

Finding the Fourth Proportional to 38,143.14, 57,220.83 and 11,841.72

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Solution

The fourth proportional to 38,143.14, 57,220.83 and 11,841.72 is: 17,764.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,143.14 : 57,220.83 = 11,841.72 : x
  2. Step 2: Convert to fraction form
    38,143.14/57,220.83 = 11,841.72/x
  3. Step 3: Cross multiply
    38,143.14x = 57,220.83 × 11,841.72
  4. Step 4: Simplify right side
    38,143.14x = 677,593,047.03
  5. Step 5: Solve for x
    x = 677,593,047.03/38,143.14
  6. Step 6: Final answer
    x = 17,764.48

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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.