Home / 31,604.92-43,617.08-18,180.38

Finding the Fourth Proportional to 31,604.92, 43,617.08 and 18,180.38

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Solution

The fourth proportional to 31,604.92, 43,617.08 and 18,180.38 is: 25,090.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,604.92 : 43,617.08 = 18,180.38 : x
  2. Step 2: Convert to fraction form
    31,604.92/43,617.08 = 18,180.38/x
  3. Step 3: Cross multiply
    31,604.92x = 43,617.08 × 18,180.38
  4. Step 4: Simplify right side
    31,604.92x = 792,975,243.38
  5. Step 5: Solve for x
    x = 792,975,243.38/31,604.92
  6. Step 6: Final answer
    x = 25,090.25

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Half scale
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Double scale
Find fourth proportional to 31,605.92, 43,618.46 and 18,181.38
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.