Home / 55,517.96-76,622.88-31,647.08

Finding the Fourth Proportional to 55,517.96, 76,622.88 and 31,647.08

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Solution

The fourth proportional to 55,517.96, 76,622.88 and 31,647.08 is: 43,677.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,517.96 : 76,622.88 = 31,647.08 : x
  2. Step 2: Convert to fraction form
    55,517.96/76,622.88 = 31,647.08/x
  3. Step 3: Cross multiply
    55,517.96x = 76,622.88 × 31,647.08
  4. Step 4: Simplify right side
    55,517.96x = 2,424,890,413.19
  5. Step 5: Solve for x
    x = 2,424,890,413.19/55,517.96
  6. Step 6: Final answer
    x = 43,677.58

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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.