Home / 37,071.96-55,599.24-12,105.60

Finding the Fourth Proportional to 37,071.96, 55,599.24 and 12,105.60

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Solution

The fourth proportional to 37,071.96, 55,599.24 and 12,105.60 is: 18,155.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,071.96 : 55,599.24 = 12,105.60 : x
  2. Step 2: Convert to fraction form
    37,071.96/55,599.24 = 12,105.60/x
  3. Step 3: Cross multiply
    37,071.96x = 55,599.24 × 12,105.60
  4. Step 4: Simplify right side
    37,071.96x = 673,062,159.74
  5. Step 5: Solve for x
    x = 673,062,159.74/37,071.96
  6. Step 6: Final answer
    x = 18,155.56

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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.