Home / 31,758.25-47,639.37-10,696.57

Finding the Fourth Proportional to 31,758.25, 47,639.37 and 10,696.57

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Solution

The fourth proportional to 31,758.25, 47,639.37 and 10,696.57 is: 16,045.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,758.25 : 47,639.37 = 10,696.57 : x
  2. Step 2: Convert to fraction form
    31,758.25/47,639.37 = 10,696.57/x
  3. Step 3: Cross multiply
    31,758.25x = 47,639.37 × 10,696.57
  4. Step 4: Simplify right side
    31,758.25x = 509,577,855.96
  5. Step 5: Solve for x
    x = 509,577,855.96/31,758.25
  6. Step 6: Final answer
    x = 16,045.53

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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.