Home / 31,712.25-47,564.72-10,651.44

Finding the Fourth Proportional to 31,712.25, 47,564.72 and 10,651.44

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Solution

The fourth proportional to 31,712.25, 47,564.72 and 10,651.44 is: 15,975.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,712.25 : 47,564.72 = 10,651.44 : x
  2. Step 2: Convert to fraction form
    31,712.25/47,564.72 = 10,651.44/x
  3. Step 3: Cross multiply
    31,712.25x = 47,564.72 × 10,651.44
  4. Step 4: Simplify right side
    31,712.25x = 506,632,761.20
  5. Step 5: Solve for x
    x = 506,632,761.20/31,712.25
  6. Step 6: Final answer
    x = 15,975.93

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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.