Home / 34,007.70-46,912.14-21,720.18

Finding the Fourth Proportional to 34,007.70, 46,912.14 and 21,720.18

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Solution

The fourth proportional to 34,007.70, 46,912.14 and 21,720.18 is: 29,962.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,007.70 : 46,912.14 = 21,720.18 : x
  2. Step 2: Convert to fraction form
    34,007.70/46,912.14 = 21,720.18/x
  3. Step 3: Cross multiply
    34,007.70x = 46,912.14 × 21,720.18
  4. Step 4: Simplify right side
    34,007.70x = 1,018,940,124.99
  5. Step 5: Solve for x
    x = 1,018,940,124.99/34,007.70
  6. Step 6: Final answer
    x = 29,962.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.