Home / 37,290.60-55,944.66-12,330.64

Finding the Fourth Proportional to 37,290.60, 55,944.66 and 12,330.64

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Solution

The fourth proportional to 37,290.60, 55,944.66 and 12,330.64 is: 18,498.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,290.60 : 55,944.66 = 12,330.64 : x
  2. Step 2: Convert to fraction form
    37,290.60/55,944.66 = 12,330.64/x
  3. Step 3: Cross multiply
    37,290.60x = 55,944.66 × 12,330.64
  4. Step 4: Simplify right side
    37,290.60x = 689,833,462.38
  5. Step 5: Solve for x
    x = 689,833,462.38/37,290.60
  6. Step 6: Final answer
    x = 18,498.86

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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.