Home / 36,332.70-54,499.05-12,942.72

Finding the Fourth Proportional to 36,332.70, 54,499.05 and 12,942.72

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Solution

The fourth proportional to 36,332.70, 54,499.05 and 12,942.72 is: 19,414.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,332.70 : 54,499.05 = 12,942.72 : x
  2. Step 2: Convert to fraction form
    36,332.70/54,499.05 = 12,942.72/x
  3. Step 3: Cross multiply
    36,332.70x = 54,499.05 × 12,942.72
  4. Step 4: Simplify right side
    36,332.70x = 705,365,944.42
  5. Step 5: Solve for x
    x = 705,365,944.42/36,332.70
  6. Step 6: Final answer
    x = 19,414.08

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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.