Home / 54,735.80-75,535.28-30,862.34

Finding the Fourth Proportional to 54,735.80, 75,535.28 and 30,862.34

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Solution

The fourth proportional to 54,735.80, 75,535.28 and 30,862.34 is: 42,589.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,735.80 : 75,535.28 = 30,862.34 : x
  2. Step 2: Convert to fraction form
    54,735.80/75,535.28 = 30,862.34/x
  3. Step 3: Cross multiply
    54,735.80x = 75,535.28 × 30,862.34
  4. Step 4: Simplify right side
    54,735.80x = 2,331,195,115.68
  5. Step 5: Solve for x
    x = 2,331,195,115.68/54,735.80
  6. Step 6: Final answer
    x = 42,589.95

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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.