Home / 53,708.20-74,049.19-38,413.17

Finding the Fourth Proportional to 53,708.20, 74,049.19 and 38,413.17

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Solution

The fourth proportional to 53,708.20, 74,049.19 and 38,413.17 is: 52,961.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,708.20 : 74,049.19 = 38,413.17 : x
  2. Step 2: Convert to fraction form
    53,708.20/74,049.19 = 38,413.17/x
  3. Step 3: Cross multiply
    53,708.20x = 74,049.19 × 38,413.17
  4. Step 4: Simplify right side
    53,708.20x = 2,844,464,027.80
  5. Step 5: Solve for x
    x = 2,844,464,027.80/53,708.20
  6. Step 6: Final answer
    x = 52,961.45

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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.