Home / 31,583.39-47,379.94-10,516.20

Finding the Fourth Proportional to 31,583.39, 47,379.94 and 10,516.20

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Solution

The fourth proportional to 31,583.39, 47,379.94 and 10,516.20 is: 15,775.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,583.39 : 47,379.94 = 10,516.20 : x
  2. Step 2: Convert to fraction form
    31,583.39/47,379.94 = 10,516.20/x
  3. Step 3: Cross multiply
    31,583.39x = 47,379.94 × 10,516.20
  4. Step 4: Simplify right side
    31,583.39x = 498,256,898.74
  5. Step 5: Solve for x
    x = 498,256,898.74/31,583.39
  6. Step 6: Final answer
    x = 15,775.92

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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.