Home / 36,579.72-50,479.14-20,663.64

Finding the Fourth Proportional to 36,579.72, 50,479.14 and 20,663.64

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Solution

The fourth proportional to 36,579.72, 50,479.14 and 20,663.64 is: 28,515.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,579.72 : 50,479.14 = 20,663.64 : x
  2. Step 2: Convert to fraction form
    36,579.72/50,479.14 = 20,663.64/x
  3. Step 3: Cross multiply
    36,579.72x = 50,479.14 × 20,663.64
  4. Step 4: Simplify right side
    36,579.72x = 1,043,082,776.47
  5. Step 5: Solve for x
    x = 1,043,082,776.47/36,579.72
  6. Step 6: Final answer
    x = 28,515.33

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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.