Home / 36,404.70-54,607.05-31,155.90

Finding the Fourth Proportional to 36,404.70, 54,607.05 and 31,155.90

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Solution

The fourth proportional to 36,404.70, 54,607.05 and 31,155.90 is: 46,733.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,404.70 : 54,607.05 = 31,155.90 : x
  2. Step 2: Convert to fraction form
    36,404.70/54,607.05 = 31,155.90/x
  3. Step 3: Cross multiply
    36,404.70x = 54,607.05 × 31,155.90
  4. Step 4: Simplify right side
    36,404.70x = 1,701,331,789.10
  5. Step 5: Solve for x
    x = 1,701,331,789.10/36,404.70
  6. Step 6: Final answer
    x = 46,733.85

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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.