Home / 38,413.40-57,663.30-22,839.80

Finding the Fourth Proportional to 38,413.40, 57,663.30 and 22,839.80

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Solution

The fourth proportional to 38,413.40, 57,663.30 and 22,839.80 is: 34,285.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,413.40 : 57,663.30 = 22,839.80 : x
  2. Step 2: Convert to fraction form
    38,413.40/57,663.30 = 22,839.80/x
  3. Step 3: Cross multiply
    38,413.40x = 57,663.30 × 22,839.80
  4. Step 4: Simplify right side
    38,413.40x = 1,317,018,239.34
  5. Step 5: Solve for x
    x = 1,317,018,239.34/38,413.40
  6. Step 6: Final answer
    x = 34,285.39

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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.