Home / 39,609.05-59,413.91-31,691.94

Finding the Fourth Proportional to 39,609.05, 59,413.91 and 31,691.94

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Solution

The fourth proportional to 39,609.05, 59,413.91 and 31,691.94 is: 47,538.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,609.05 : 59,413.91 = 31,691.94 : x
  2. Step 2: Convert to fraction form
    39,609.05/59,413.91 = 31,691.94/x
  3. Step 3: Cross multiply
    39,609.05x = 59,413.91 × 31,691.94
  4. Step 4: Simplify right side
    39,609.05x = 1,882,941,912.43
  5. Step 5: Solve for x
    x = 1,882,941,912.43/39,609.05
  6. Step 6: Final answer
    x = 47,538.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.