Home / 36,778.30-55,175.65-13,404.74

Finding the Fourth Proportional to 36,778.30, 55,175.65 and 13,404.74

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Solution

The fourth proportional to 36,778.30, 55,175.65 and 13,404.74 is: 20,110.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,778.30 : 55,175.65 = 13,404.74 : x
  2. Step 2: Convert to fraction form
    36,778.30/55,175.65 = 13,404.74/x
  3. Step 3: Cross multiply
    36,778.30x = 55,175.65 × 13,404.74
  4. Step 4: Simplify right side
    36,778.30x = 739,614,899.68
  5. Step 5: Solve for x
    x = 739,614,899.68/36,778.30
  6. Step 6: Final answer
    x = 20,110.09

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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.