Home / 37,177.72-55,772.60-12,210.52

Finding the Fourth Proportional to 37,177.72, 55,772.60 and 12,210.52

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Solution

The fourth proportional to 37,177.72, 55,772.60 and 12,210.52 is: 18,317.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,177.72 : 55,772.60 = 12,210.52 : x
  2. Step 2: Convert to fraction form
    37,177.72/55,772.60 = 12,210.52/x
  3. Step 3: Cross multiply
    37,177.72x = 55,772.60 × 12,210.52
  4. Step 4: Simplify right side
    37,177.72x = 681,012,447.75
  5. Step 5: Solve for x
    x = 681,012,447.75/37,177.72
  6. Step 6: Final answer
    x = 18,317.76

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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.