Home / 31,844.51-47,766.70-8,470.95

Finding the Fourth Proportional to 31,844.51, 47,766.70 and 8,470.95

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Solution

The fourth proportional to 31,844.51, 47,766.70 and 8,470.95 is: 12,706.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,844.51 : 47,766.70 = 8,470.95 : x
  2. Step 2: Convert to fraction form
    31,844.51/47,766.70 = 8,470.95/x
  3. Step 3: Cross multiply
    31,844.51x = 47,766.70 × 8,470.95
  4. Step 4: Simplify right side
    31,844.51x = 404,629,111.18
  5. Step 5: Solve for x
    x = 404,629,111.18/31,844.51
  6. Step 6: Final answer
    x = 12,706.40

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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.