Home / 37,413.09-51,622.92-21,498.21

Finding the Fourth Proportional to 37,413.09, 51,622.92 and 21,498.21

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Solution

The fourth proportional to 37,413.09, 51,622.92 and 21,498.21 is: 29,663.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,413.09 : 51,622.92 = 21,498.21 : x
  2. Step 2: Convert to fraction form
    37,413.09/51,622.92 = 21,498.21/x
  3. Step 3: Cross multiply
    37,413.09x = 51,622.92 × 21,498.21
  4. Step 4: Simplify right side
    37,413.09x = 1,109,800,374.97
  5. Step 5: Solve for x
    x = 1,109,800,374.97/37,413.09
  6. Step 6: Final answer
    x = 29,663.42

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Half scale
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Double scale
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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.