Home / 36,404.72-54,620.21-12,715.75

Finding the Fourth Proportional to 36,404.72, 54,620.21 and 12,715.75

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Solution

The fourth proportional to 36,404.72, 54,620.21 and 12,715.75 is: 19,078.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,404.72 : 54,620.21 = 12,715.75 : x
  2. Step 2: Convert to fraction form
    36,404.72/54,620.21 = 12,715.75/x
  3. Step 3: Cross multiply
    36,404.72x = 54,620.21 × 12,715.75
  4. Step 4: Simplify right side
    36,404.72x = 694,536,935.31
  5. Step 5: Solve for x
    x = 694,536,935.31/36,404.72
  6. Step 6: Final answer
    x = 19,078.21

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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.