Home / 31,806.97-43,905.41-27,312.68

Finding the Fourth Proportional to 31,806.97, 43,905.41 and 27,312.68

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Solution

The fourth proportional to 31,806.97, 43,905.41 and 27,312.68 is: 37,701.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,806.97 : 43,905.41 = 27,312.68 : x
  2. Step 2: Convert to fraction form
    31,806.97/43,905.41 = 27,312.68/x
  3. Step 3: Cross multiply
    31,806.97x = 43,905.41 × 27,312.68
  4. Step 4: Simplify right side
    31,806.97x = 1,199,174,413.60
  5. Step 5: Solve for x
    x = 1,199,174,413.60/31,806.97
  6. Step 6: Final answer
    x = 37,701.62

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1.5x scale

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.