Home / 35,517.39-49,016.59-20,413.72

Finding the Fourth Proportional to 35,517.39, 49,016.59 and 20,413.72

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Solution

The fourth proportional to 35,517.39, 49,016.59 and 20,413.72 is: 28,172.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,517.39 : 49,016.59 = 20,413.72 : x
  2. Step 2: Convert to fraction form
    35,517.39/49,016.59 = 20,413.72/x
  3. Step 3: Cross multiply
    35,517.39x = 49,016.59 × 20,413.72
  4. Step 4: Simplify right side
    35,517.39x = 1,000,611,068.68
  5. Step 5: Solve for x
    x = 1,000,611,068.68/35,517.39
  6. Step 6: Final answer
    x = 28,172.43

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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.