Home / 47,391.78-65,400.62-26,171.00

Finding the Fourth Proportional to 47,391.78, 65,400.62 and 26,171.00

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Solution

The fourth proportional to 47,391.78, 65,400.62 and 26,171.00 is: 36,115.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,391.78 : 65,400.62 = 26,171.00 : x
  2. Step 2: Convert to fraction form
    47,391.78/65,400.62 = 26,171.00/x
  3. Step 3: Cross multiply
    47,391.78x = 65,400.62 × 26,171.00
  4. Step 4: Simplify right side
    47,391.78x = 1,711,599,413.41
  5. Step 5: Solve for x
    x = 1,711,599,413.41/47,391.78
  6. Step 6: Final answer
    x = 36,115.95

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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.