Home / 54,229.12-74,832.66-30,355.59

Finding the Fourth Proportional to 54,229.12, 74,832.66 and 30,355.59

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Solution

The fourth proportional to 54,229.12, 74,832.66 and 30,355.59 is: 41,888.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,229.12 : 74,832.66 = 30,355.59 : x
  2. Step 2: Convert to fraction form
    54,229.12/74,832.66 = 30,355.59/x
  3. Step 3: Cross multiply
    54,229.12x = 74,832.66 × 30,355.59
  4. Step 4: Simplify right side
    54,229.12x = 2,271,589,545.57
  5. Step 5: Solve for x
    x = 2,271,589,545.57/54,229.12
  6. Step 6: Final answer
    x = 41,888.74

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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.