Home / 53,660.92-80,491.38-18,600.57

Finding the Fourth Proportional to 53,660.92, 80,491.38 and 18,600.57

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Solution

The fourth proportional to 53,660.92, 80,491.38 and 18,600.57 is: 27,900.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,660.92 : 80,491.38 = 18,600.57 : x
  2. Step 2: Convert to fraction form
    53,660.92/80,491.38 = 18,600.57/x
  3. Step 3: Cross multiply
    53,660.92x = 80,491.38 × 18,600.57
  4. Step 4: Simplify right side
    53,660.92x = 1,497,185,455.08
  5. Step 5: Solve for x
    x = 1,497,185,455.08/53,660.92
  6. Step 6: Final answer
    x = 27,900.85

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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.