Home / 27,490.94-41,172.24-20,077.04

Finding the Fourth Proportional to 27,490.94, 41,172.24 and 20,077.04

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Solution

The fourth proportional to 27,490.94, 41,172.24 and 20,077.04 is: 30,068.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,490.94 : 41,172.24 = 20,077.04 : x
  2. Step 2: Convert to fraction form
    27,490.94/41,172.24 = 20,077.04/x
  3. Step 3: Cross multiply
    27,490.94x = 41,172.24 × 20,077.04
  4. Step 4: Simplify right side
    27,490.94x = 826,616,709.37
  5. Step 5: Solve for x
    x = 826,616,709.37/27,490.94
  6. Step 6: Final answer
    x = 30,068.70

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1.5x scale

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.