Home / 31,203.18-46,813.68-15,413.04

Finding the Fourth Proportional to 31,203.18, 46,813.68 and 15,413.04

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Solution

The fourth proportional to 31,203.18, 46,813.68 and 15,413.04 is: 23,123.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,203.18 : 46,813.68 = 15,413.04 : x
  2. Step 2: Convert to fraction form
    31,203.18/46,813.68 = 15,413.04/x
  3. Step 3: Cross multiply
    31,203.18x = 46,813.68 × 15,413.04
  4. Step 4: Simplify right side
    31,203.18x = 721,541,122.39
  5. Step 5: Solve for x
    x = 721,541,122.39/31,203.18
  6. Step 6: Final answer
    x = 23,123.96

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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.