Home / 53,911.28-74,399.64-31,249.88

Finding the Fourth Proportional to 53,911.28, 74,399.64 and 31,249.88

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Solution

The fourth proportional to 53,911.28, 74,399.64 and 31,249.88 is: 43,126.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,911.28 : 74,399.64 = 31,249.88 : x
  2. Step 2: Convert to fraction form
    53,911.28/74,399.64 = 31,249.88/x
  3. Step 3: Cross multiply
    53,911.28x = 74,399.64 × 31,249.88
  4. Step 4: Simplify right side
    53,911.28x = 2,324,979,822.04
  5. Step 5: Solve for x
    x = 2,324,979,822.04/53,911.28
  6. Step 6: Final answer
    x = 43,126.04

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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.