Home / 53,883.25-74,353.56-30,012.15

Finding the Fourth Proportional to 53,883.25, 74,353.56 and 30,012.15

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Solution

The fourth proportional to 53,883.25, 74,353.56 and 30,012.15 is: 41,413.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,883.25 : 74,353.56 = 30,012.15 : x
  2. Step 2: Convert to fraction form
    53,883.25/74,353.56 = 30,012.15/x
  3. Step 3: Cross multiply
    53,883.25x = 74,353.56 × 30,012.15
  4. Step 4: Simplify right side
    53,883.25x = 2,231,510,195.75
  5. Step 5: Solve for x
    x = 2,231,510,195.75/53,883.25
  6. Step 6: Final answer
    x = 41,413.80

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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.