Home / 38,071.71-57,114.85-11,771.82

Finding the Fourth Proportional to 38,071.71, 57,114.85 and 11,771.82

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Solution

The fourth proportional to 38,071.71, 57,114.85 and 11,771.82 is: 17,659.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,071.71 : 57,114.85 = 11,771.82 : x
  2. Step 2: Convert to fraction form
    38,071.71/57,114.85 = 11,771.82/x
  3. Step 3: Cross multiply
    38,071.71x = 57,114.85 × 11,771.82
  4. Step 4: Simplify right side
    38,071.71x = 672,345,733.53
  5. Step 5: Solve for x
    x = 672,345,733.53/38,071.71
  6. Step 6: Final answer
    x = 17,659.98

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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.