Home / 31,631.28-43,650.57-17,483.82

Finding the Fourth Proportional to 31,631.28, 43,650.57 and 17,483.82

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Solution

The fourth proportional to 31,631.28, 43,650.57 and 17,483.82 is: 24,127.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,631.28 : 43,650.57 = 17,483.82 : x
  2. Step 2: Convert to fraction form
    31,631.28/43,650.57 = 17,483.82/x
  3. Step 3: Cross multiply
    31,631.28x = 43,650.57 × 17,483.82
  4. Step 4: Simplify right side
    31,631.28x = 763,178,708.78
  5. Step 5: Solve for x
    x = 763,178,708.78/31,631.28
  6. Step 6: Final answer
    x = 24,127.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.