Home / 54,843.28-75,682.96-30,977.64

Finding the Fourth Proportional to 54,843.28, 75,682.96 and 30,977.64

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Solution

The fourth proportional to 54,843.28, 75,682.96 and 30,977.64 is: 42,748.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,843.28 : 75,682.96 = 30,977.64 : x
  2. Step 2: Convert to fraction form
    54,843.28/75,682.96 = 30,977.64/x
  3. Step 3: Cross multiply
    54,843.28x = 75,682.96 × 30,977.64
  4. Step 4: Simplify right side
    54,843.28x = 2,344,479,411.57
  5. Step 5: Solve for x
    x = 2,344,479,411.57/54,843.28
  6. Step 6: Final answer
    x = 42,748.71

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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.