Home / 31,730.94-47,576.36-15,917.11

Finding the Fourth Proportional to 31,730.94, 47,576.36 and 15,917.11

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Solution

The fourth proportional to 31,730.94, 47,576.36 and 15,917.11 is: 23,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,730.94 : 47,576.36 = 15,917.11 : x
  2. Step 2: Convert to fraction form
    31,730.94/47,576.36 = 15,917.11/x
  3. Step 3: Cross multiply
    31,730.94x = 47,576.36 × 15,917.11
  4. Step 4: Simplify right side
    31,730.94x = 757,278,076.37
  5. Step 5: Solve for x
    x = 757,278,076.37/31,730.94
  6. Step 6: Final answer
    x = 23,865.60

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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.