Home / 36,531.84-50,413.95-20,619.66

Finding the Fourth Proportional to 36,531.84, 50,413.95 and 20,619.66

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Solution

The fourth proportional to 36,531.84, 50,413.95 and 20,619.66 is: 28,455.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,531.84 : 50,413.95 = 20,619.66 : x
  2. Step 2: Convert to fraction form
    36,531.84/50,413.95 = 20,619.66/x
  3. Step 3: Cross multiply
    36,531.84x = 50,413.95 × 20,619.66
  4. Step 4: Simplify right side
    36,531.84x = 1,039,518,508.26
  5. Step 5: Solve for x
    x = 1,039,518,508.26/36,531.84
  6. Step 6: Final answer
    x = 28,455.14

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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.