Home / 54,025.52-74,559.44-30,155.78

Finding the Fourth Proportional to 54,025.52, 74,559.44 and 30,155.78

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Solution

The fourth proportional to 54,025.52, 74,559.44 and 30,155.78 is: 41,617.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,025.52 : 74,559.44 = 30,155.78 : x
  2. Step 2: Convert to fraction form
    54,025.52/74,559.44 = 30,155.78/x
  3. Step 3: Cross multiply
    54,025.52x = 74,559.44 × 30,155.78
  4. Step 4: Simplify right side
    54,025.52x = 2,248,397,545.99
  5. Step 5: Solve for x
    x = 2,248,397,545.99/54,025.52
  6. Step 6: Final answer
    x = 41,617.32

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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.