Home / 53,455.52-80,163.84-18,385.76

Finding the Fourth Proportional to 53,455.52, 80,163.84 and 18,385.76

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Solution

The fourth proportional to 53,455.52, 80,163.84 and 18,385.76 is: 27,571.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,455.52 : 80,163.84 = 18,385.76 : x
  2. Step 2: Convert to fraction form
    53,455.52/80,163.84 = 18,385.76/x
  3. Step 3: Cross multiply
    53,455.52x = 80,163.84 × 18,385.76
  4. Step 4: Simplify right side
    53,455.52x = 1,473,873,122.92
  5. Step 5: Solve for x
    x = 1,473,873,122.92/53,455.52
  6. Step 6: Final answer
    x = 27,571.95

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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.