Home / 53,910.88-80,880.96-30,553.72

Finding the Fourth Proportional to 53,910.88, 80,880.96 and 30,553.72

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Solution

The fourth proportional to 53,910.88, 80,880.96 and 30,553.72 is: 45,838.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,910.88 : 80,880.96 = 30,553.72 : x
  2. Step 2: Convert to fraction form
    53,910.88/80,880.96 = 30,553.72/x
  3. Step 3: Cross multiply
    53,910.88x = 80,880.96 × 30,553.72
  4. Step 4: Simplify right side
    53,910.88x = 2,471,214,205.17
  5. Step 5: Solve for x
    x = 2,471,214,205.17/53,910.88
  6. Step 6: Final answer
    x = 45,838.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.