Home / 53,511.92-73,845.69-30,850.95

Finding the Fourth Proportional to 53,511.92, 73,845.69 and 30,850.95

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Solution

The fourth proportional to 53,511.92, 73,845.69 and 30,850.95 is: 42,573.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,511.92 : 73,845.69 = 30,850.95 : x
  2. Step 2: Convert to fraction form
    53,511.92/73,845.69 = 30,850.95/x
  3. Step 3: Cross multiply
    53,511.92x = 73,845.69 × 30,850.95
  4. Step 4: Simplify right side
    53,511.92x = 2,278,209,689.91
  5. Step 5: Solve for x
    x = 2,278,209,689.91/53,511.92
  6. Step 6: Final answer
    x = 42,573.88

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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.