Home / 49,540.32-74,313.99-19,958.31

Finding the Fourth Proportional to 49,540.32, 74,313.99 and 19,958.31

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Solution

The fourth proportional to 49,540.32, 74,313.99 and 19,958.31 is: 29,938.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,540.32 : 74,313.99 = 19,958.31 : x
  2. Step 2: Convert to fraction form
    49,540.32/74,313.99 = 19,958.31/x
  3. Step 3: Cross multiply
    49,540.32x = 74,313.99 × 19,958.31
  4. Step 4: Simplify right side
    49,540.32x = 1,483,181,649.76
  5. Step 5: Solve for x
    x = 1,483,181,649.76/49,540.32
  6. Step 6: Final answer
    x = 29,938.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.