Home / 31,583.27-47,349.92-11,859.63

Finding the Fourth Proportional to 31,583.27, 47,349.92 and 11,859.63

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Solution

The fourth proportional to 31,583.27, 47,349.92 and 11,859.63 is: 17,780.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,583.27 : 47,349.92 = 11,859.63 : x
  2. Step 2: Convert to fraction form
    31,583.27/47,349.92 = 11,859.63/x
  3. Step 3: Cross multiply
    31,583.27x = 47,349.92 × 11,859.63
  4. Step 4: Simplify right side
    31,583.27x = 561,552,472.43
  5. Step 5: Solve for x
    x = 561,552,472.43/31,583.27
  6. Step 6: Final answer
    x = 17,780.06

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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.