Home / 37,168.18-55,702.91-20,257.76

Finding the Fourth Proportional to 37,168.18, 55,702.91 and 20,257.76

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Solution

The fourth proportional to 37,168.18, 55,702.91 and 20,257.76 is: 30,359.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,168.18 : 55,702.91 = 20,257.76 : x
  2. Step 2: Convert to fraction form
    37,168.18/55,702.91 = 20,257.76/x
  3. Step 3: Cross multiply
    37,168.18x = 55,702.91 × 20,257.76
  4. Step 4: Simplify right side
    37,168.18x = 1,128,416,371.98
  5. Step 5: Solve for x
    x = 1,128,416,371.98/37,168.18
  6. Step 6: Final answer
    x = 30,359.74

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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.