Home / 36,317.67-50,115.69-20,404.77

Finding the Fourth Proportional to 36,317.67, 50,115.69 and 20,404.77

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Solution

The fourth proportional to 36,317.67, 50,115.69 and 20,404.77 is: 28,157.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,317.67 : 50,115.69 = 20,404.77 : x
  2. Step 2: Convert to fraction form
    36,317.67/50,115.69 = 20,404.77/x
  3. Step 3: Cross multiply
    36,317.67x = 50,115.69 × 20,404.77
  4. Step 4: Simplify right side
    36,317.67x = 1,022,599,127.84
  5. Step 5: Solve for x
    x = 1,022,599,127.84/36,317.67
  6. Step 6: Final answer
    x = 28,157.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.