Home / 42,785.92-64,182.58-11,195.85

Finding the Fourth Proportional to 42,785.92, 64,182.58 and 11,195.85

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Solution

The fourth proportional to 42,785.92, 64,182.58 and 11,195.85 is: 16,794.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,785.92 : 64,182.58 = 11,195.85 : x
  2. Step 2: Convert to fraction form
    42,785.92/64,182.58 = 11,195.85/x
  3. Step 3: Cross multiply
    42,785.92x = 64,182.58 × 11,195.85
  4. Step 4: Simplify right side
    42,785.92x = 718,578,750.99
  5. Step 5: Solve for x
    x = 718,578,750.99/42,785.92
  6. Step 6: Final answer
    x = 16,794.75

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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.