Home / 31,809.66-43,898.67-17,663.82

Finding the Fourth Proportional to 31,809.66, 43,898.67 and 17,663.82

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Solution

The fourth proportional to 31,809.66, 43,898.67 and 17,663.82 is: 24,376.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,809.66 : 43,898.67 = 17,663.82 : x
  2. Step 2: Convert to fraction form
    31,809.66/43,898.67 = 17,663.82/x
  3. Step 3: Cross multiply
    31,809.66x = 43,898.67 × 17,663.82
  4. Step 4: Simplify right side
    31,809.66x = 775,418,205.12
  5. Step 5: Solve for x
    x = 775,418,205.12/31,809.66
  6. Step 6: Final answer
    x = 24,376.82

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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.