Home / 31,604.02-47,413.10-11,882.75

Finding the Fourth Proportional to 31,604.02, 47,413.10 and 11,882.75

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Solution

The fourth proportional to 31,604.02, 47,413.10 and 11,882.75 is: 17,826.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,604.02 : 47,413.10 = 11,882.75 : x
  2. Step 2: Convert to fraction form
    31,604.02/47,413.10 = 11,882.75/x
  3. Step 3: Cross multiply
    31,604.02x = 47,413.10 × 11,882.75
  4. Step 4: Simplify right side
    31,604.02x = 563,398,006.52
  5. Step 5: Solve for x
    x = 563,398,006.52/31,604.02
  6. Step 6: Final answer
    x = 17,826.78

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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.