Home / 46,581.76-69,879.64-21,624.38

Finding the Fourth Proportional to 46,581.76, 69,879.64 and 21,624.38

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Solution

The fourth proportional to 46,581.76, 69,879.64 and 21,624.38 is: 32,439.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,581.76 : 69,879.64 = 21,624.38 : x
  2. Step 2: Convert to fraction form
    46,581.76/69,879.64 = 21,624.38/x
  3. Step 3: Cross multiply
    46,581.76x = 69,879.64 × 21,624.38
  4. Step 4: Simplify right side
    46,581.76x = 1,511,103,889.62
  5. Step 5: Solve for x
    x = 1,511,103,889.62/46,581.76
  6. Step 6: Final answer
    x = 32,439.82

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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.