Home / 53,049.12-73,206.31-29,175.79

Finding the Fourth Proportional to 53,049.12, 73,206.31 and 29,175.79

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Solution

The fourth proportional to 53,049.12, 73,206.31 and 29,175.79 is: 40,261.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,049.12 : 73,206.31 = 29,175.79 : x
  2. Step 2: Convert to fraction form
    53,049.12/73,206.31 = 29,175.79/x
  3. Step 3: Cross multiply
    53,049.12x = 73,206.31 × 29,175.79
  4. Step 4: Simplify right side
    53,049.12x = 2,135,851,927.23
  5. Step 5: Solve for x
    x = 2,135,851,927.23/53,049.12
  6. Step 6: Final answer
    x = 40,261.78

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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.