Home / 31,498.38-43,467.21-17,351.10

Finding the Fourth Proportional to 31,498.38, 43,467.21 and 17,351.10

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Solution

The fourth proportional to 31,498.38, 43,467.21 and 17,351.10 is: 23,944.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,498.38 : 43,467.21 = 17,351.10 : x
  2. Step 2: Convert to fraction form
    31,498.38/43,467.21 = 17,351.10/x
  3. Step 3: Cross multiply
    31,498.38x = 43,467.21 × 17,351.10
  4. Step 4: Simplify right side
    31,498.38x = 754,203,907.43
  5. Step 5: Solve for x
    x = 754,203,907.43/31,498.38
  6. Step 6: Final answer
    x = 23,944.21

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Half scale
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Double scale
Find fourth proportional to 31,499.38, 43,468.59 and 17,352.10
Similar ratio
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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.