Home / 31,883.40-47,711.70-27,768.60

Finding the Fourth Proportional to 31,883.40, 47,711.70 and 27,768.60

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Solution

The fourth proportional to 31,883.40, 47,711.70 and 27,768.60 is: 41,554.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,883.40 : 47,711.70 = 27,768.60 : x
  2. Step 2: Convert to fraction form
    31,883.40/47,711.70 = 27,768.60/x
  3. Step 3: Cross multiply
    31,883.40x = 47,711.70 × 27,768.60
  4. Step 4: Simplify right side
    31,883.40x = 1,324,887,112.62
  5. Step 5: Solve for x
    x = 1,324,887,112.62/31,883.40
  6. Step 6: Final answer
    x = 41,554.14

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1.5x scale

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.