Home / 31,827.78-43,922.36-17,488.53

Finding the Fourth Proportional to 31,827.78, 43,922.36 and 17,488.53

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Solution

The fourth proportional to 31,827.78, 43,922.36 and 17,488.53 is: 24,134.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,827.78 : 43,922.36 = 17,488.53 : x
  2. Step 2: Convert to fraction form
    31,827.78/43,922.36 = 17,488.53/x
  3. Step 3: Cross multiply
    31,827.78x = 43,922.36 × 17,488.53
  4. Step 4: Simplify right side
    31,827.78x = 768,137,510.53
  5. Step 5: Solve for x
    x = 768,137,510.53/31,827.78
  6. Step 6: Final answer
    x = 24,134.18

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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.