Home / 34,580.57-47,725.79-20,244.78

Finding the Fourth Proportional to 34,580.57, 47,725.79 and 20,244.78

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Solution

The fourth proportional to 34,580.57, 47,725.79 and 20,244.78 is: 27,940.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,580.57 : 47,725.79 = 20,244.78 : x
  2. Step 2: Convert to fraction form
    34,580.57/47,725.79 = 20,244.78/x
  3. Step 3: Cross multiply
    34,580.57x = 47,725.79 × 20,244.78
  4. Step 4: Simplify right side
    34,580.57x = 966,198,017.65
  5. Step 5: Solve for x
    x = 966,198,017.65/34,580.57
  6. Step 6: Final answer
    x = 27,940.49

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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.