Home / 54,815.43-75,643.70-30,944.33

Finding the Fourth Proportional to 54,815.43, 75,643.70 and 30,944.33

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Solution

The fourth proportional to 54,815.43, 75,643.70 and 30,944.33 is: 42,702.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,815.43 : 75,643.70 = 30,944.33 : x
  2. Step 2: Convert to fraction form
    54,815.43/75,643.70 = 30,944.33/x
  3. Step 3: Cross multiply
    54,815.43x = 75,643.70 × 30,944.33
  4. Step 4: Simplify right side
    54,815.43x = 2,340,743,082.28
  5. Step 5: Solve for x
    x = 2,340,743,082.28/54,815.43
  6. Step 6: Final answer
    x = 42,702.27

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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.