Home / 31,414.07-47,120.46-10,355.38

Finding the Fourth Proportional to 31,414.07, 47,120.46 and 10,355.38

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Solution

The fourth proportional to 31,414.07, 47,120.46 and 10,355.38 is: 15,532.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,414.07 : 47,120.46 = 10,355.38 : x
  2. Step 2: Convert to fraction form
    31,414.07/47,120.46 = 10,355.38/x
  3. Step 3: Cross multiply
    31,414.07x = 47,120.46 × 10,355.38
  4. Step 4: Simplify right side
    31,414.07x = 487,950,269.07
  5. Step 5: Solve for x
    x = 487,950,269.07/31,414.07
  6. Step 6: Final answer
    x = 15,532.86

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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.