Home / 57,413.46-79,228.11-31,919.79

Finding the Fourth Proportional to 57,413.46, 79,228.11 and 31,919.79

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Solution

The fourth proportional to 57,413.46, 79,228.11 and 31,919.79 is: 44,047.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,413.46 : 79,228.11 = 31,919.79 : x
  2. Step 2: Convert to fraction form
    57,413.46/79,228.11 = 31,919.79/x
  3. Step 3: Cross multiply
    57,413.46x = 79,228.11 × 31,919.79
  4. Step 4: Simplify right side
    57,413.46x = 2,528,944,633.30
  5. Step 5: Solve for x
    x = 2,528,944,633.30/57,413.46
  6. Step 6: Final answer
    x = 44,047.94

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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.