Home / 38,100.64-57,151.26-11,805.22

Finding the Fourth Proportional to 38,100.64, 57,151.26 and 11,805.22

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Solution

The fourth proportional to 38,100.64, 57,151.26 and 11,805.22 is: 17,707.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,100.64 : 57,151.26 = 11,805.22 : x
  2. Step 2: Convert to fraction form
    38,100.64/57,151.26 = 11,805.22/x
  3. Step 3: Cross multiply
    38,100.64x = 57,151.26 × 11,805.22
  4. Step 4: Simplify right side
    38,100.64x = 674,683,197.58
  5. Step 5: Solve for x
    x = 674,683,197.58/38,100.64
  6. Step 6: Final answer
    x = 17,707.92

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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.