Home / 31,618.44-47,391.66-10,553.55

Finding the Fourth Proportional to 31,618.44, 47,391.66 and 10,553.55

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Solution

The fourth proportional to 31,618.44, 47,391.66 and 10,553.55 is: 15,818.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,618.44 : 47,391.66 = 10,553.55 : x
  2. Step 2: Convert to fraction form
    31,618.44/47,391.66 = 10,553.55/x
  3. Step 3: Cross multiply
    31,618.44x = 47,391.66 × 10,553.55
  4. Step 4: Simplify right side
    31,618.44x = 500,150,253.39
  5. Step 5: Solve for x
    x = 500,150,253.39/31,618.44
  6. Step 6: Final answer
    x = 15,818.31

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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.