Home / 31,121.32-46,665.34-10,337.32

Finding the Fourth Proportional to 31,121.32, 46,665.34 and 10,337.32

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Solution

The fourth proportional to 31,121.32, 46,665.34 and 10,337.32 is: 15,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,121.32 : 46,665.34 = 10,337.32 : x
  2. Step 2: Convert to fraction form
    31,121.32/46,665.34 = 10,337.32/x
  3. Step 3: Cross multiply
    31,121.32x = 46,665.34 × 10,337.32
  4. Step 4: Simplify right side
    31,121.32x = 482,394,552.49
  5. Step 5: Solve for x
    x = 482,394,552.49/31,121.32
  6. Step 6: Final answer
    x = 15,500.45

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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.