Home / 54,429.58-75,107.68-30,551.59

Finding the Fourth Proportional to 54,429.58, 75,107.68 and 30,551.59

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Solution

The fourth proportional to 54,429.58, 75,107.68 and 30,551.59 is: 42,158.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,429.58 : 75,107.68 = 30,551.59 : x
  2. Step 2: Convert to fraction form
    54,429.58/75,107.68 = 30,551.59/x
  3. Step 3: Cross multiply
    54,429.58x = 75,107.68 × 30,551.59
  4. Step 4: Simplify right side
    54,429.58x = 2,294,659,045.21
  5. Step 5: Solve for x
    x = 2,294,659,045.21/54,429.58
  6. Step 6: Final answer
    x = 42,158.31

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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.