Home / 37,192.90-55,733.97-20,557.72

Finding the Fourth Proportional to 37,192.90, 55,733.97 and 20,557.72

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Solution

The fourth proportional to 37,192.90, 55,733.97 and 20,557.72 is: 30,805.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,192.90 : 55,733.97 = 20,557.72 : x
  2. Step 2: Convert to fraction form
    37,192.90/55,733.97 = 20,557.72/x
  3. Step 3: Cross multiply
    37,192.90x = 55,733.97 × 20,557.72
  4. Step 4: Simplify right side
    37,192.90x = 1,145,763,349.75
  5. Step 5: Solve for x
    x = 1,145,763,349.75/37,192.90
  6. Step 6: Final answer
    x = 30,805.97

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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.