Home / 33,980.00-46,915.09-21,251.21

Finding the Fourth Proportional to 33,980.00, 46,915.09 and 21,251.21

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Solution

The fourth proportional to 33,980.00, 46,915.09 and 21,251.21 is: 29,340.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,980.00 : 46,915.09 = 21,251.21 : x
  2. Step 2: Convert to fraction form
    33,980.00/46,915.09 = 21,251.21/x
  3. Step 3: Cross multiply
    33,980.00x = 46,915.09 × 21,251.21
  4. Step 4: Simplify right side
    33,980.00x = 997,002,142.06
  5. Step 5: Solve for x
    x = 997,002,142.06/33,980.00
  6. Step 6: Final answer
    x = 29,340.86

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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.