Home / 37,102.76-55,648.08-12,142.44

Finding the Fourth Proportional to 37,102.76, 55,648.08 and 12,142.44

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Solution

The fourth proportional to 37,102.76, 55,648.08 and 12,142.44 is: 18,211.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,102.76 : 55,648.08 = 12,142.44 : x
  2. Step 2: Convert to fraction form
    37,102.76/55,648.08 = 12,142.44/x
  3. Step 3: Cross multiply
    37,102.76x = 55,648.08 × 12,142.44
  4. Step 4: Simplify right side
    37,102.76x = 675,703,472.52
  5. Step 5: Solve for x
    x = 675,703,472.52/37,102.76
  6. Step 6: Final answer
    x = 18,211.68

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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.