Home / 31,510.44-47,273.85-11,790.54

Finding the Fourth Proportional to 31,510.44, 47,273.85 and 11,790.54

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Solution

The fourth proportional to 31,510.44, 47,273.85 and 11,790.54 is: 17,688.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,510.44 : 47,273.85 = 11,790.54 : x
  2. Step 2: Convert to fraction form
    31,510.44/47,273.85 = 11,790.54/x
  3. Step 3: Cross multiply
    31,510.44x = 47,273.85 × 11,790.54
  4. Step 4: Simplify right side
    31,510.44x = 557,384,219.38
  5. Step 5: Solve for x
    x = 557,384,219.38/31,510.44
  6. Step 6: Final answer
    x = 17,688.87

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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.