Home / 46,217.79-69,321.33-12,940.52

Finding the Fourth Proportional to 46,217.79, 69,321.33 and 12,940.52

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Solution

The fourth proportional to 46,217.79, 69,321.33 and 12,940.52 is: 19,409.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,217.79 : 69,321.33 = 12,940.52 : x
  2. Step 2: Convert to fraction form
    46,217.79/69,321.33 = 12,940.52/x
  3. Step 3: Cross multiply
    46,217.79x = 69,321.33 × 12,940.52
  4. Step 4: Simplify right side
    46,217.79x = 897,053,710.68
  5. Step 5: Solve for x
    x = 897,053,710.68/46,217.79
  6. Step 6: Final answer
    x = 19,409.27

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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.