Home / 31,695.78-47,510.66-10,619.94

Finding the Fourth Proportional to 31,695.78, 47,510.66 and 10,619.94

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Solution

The fourth proportional to 31,695.78, 47,510.66 and 10,619.94 is: 15,918.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,695.78 : 47,510.66 = 10,619.94 : x
  2. Step 2: Convert to fraction form
    31,695.78/47,510.66 = 10,619.94/x
  3. Step 3: Cross multiply
    31,695.78x = 47,510.66 × 10,619.94
  4. Step 4: Simplify right side
    31,695.78x = 504,560,358.56
  5. Step 5: Solve for x
    x = 504,560,358.56/31,695.78
  6. Step 6: Final answer
    x = 15,918.85

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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.