Home / 41,985.12-57,940.80-23,122.92

Finding the Fourth Proportional to 41,985.12, 57,940.80 and 23,122.92

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Solution

The fourth proportional to 41,985.12, 57,940.80 and 23,122.92 is: 31,910.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,985.12 : 57,940.80 = 23,122.92 : x
  2. Step 2: Convert to fraction form
    41,985.12/57,940.80 = 23,122.92/x
  3. Step 3: Cross multiply
    41,985.12x = 57,940.80 × 23,122.92
  4. Step 4: Simplify right side
    41,985.12x = 1,339,760,483.14
  5. Step 5: Solve for x
    x = 1,339,760,483.14/41,985.12
  6. Step 6: Final answer
    x = 31,910.36

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.