Home / 31,467.53-43,427.42-18,042.09

Finding the Fourth Proportional to 31,467.53, 43,427.42 and 18,042.09

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Solution

The fourth proportional to 31,467.53, 43,427.42 and 18,042.09 is: 24,899.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,467.53 : 43,427.42 = 18,042.09 : x
  2. Step 2: Convert to fraction form
    31,467.53/43,427.42 = 18,042.09/x
  3. Step 3: Cross multiply
    31,467.53x = 43,427.42 × 18,042.09
  4. Step 4: Simplify right side
    31,467.53x = 783,521,329.90
  5. Step 5: Solve for x
    x = 783,521,329.90/31,467.53
  6. Step 6: Final answer
    x = 24,899.36

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1.5x scale

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.