Home / 54,843.40-75,682.92-30,968.38

Finding the Fourth Proportional to 54,843.40, 75,682.92 and 30,968.38

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Solution

The fourth proportional to 54,843.40, 75,682.92 and 30,968.38 is: 42,735.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,843.40 : 75,682.92 = 30,968.38 : x
  2. Step 2: Convert to fraction form
    54,843.40/75,682.92 = 30,968.38/x
  3. Step 3: Cross multiply
    54,843.40x = 75,682.92 × 30,968.38
  4. Step 4: Simplify right side
    54,843.40x = 2,343,777,426.07
  5. Step 5: Solve for x
    x = 2,343,777,426.07/54,843.40
  6. Step 6: Final answer
    x = 42,735.82

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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.