Home / 36,636.99-50,560.19-20,721.12

Finding the Fourth Proportional to 36,636.99, 50,560.19 and 20,721.12

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Solution

The fourth proportional to 36,636.99, 50,560.19 and 20,721.12 is: 28,595.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,636.99 : 50,560.19 = 20,721.12 : x
  2. Step 2: Convert to fraction form
    36,636.99/50,560.19 = 20,721.12/x
  3. Step 3: Cross multiply
    36,636.99x = 50,560.19 × 20,721.12
  4. Step 4: Simplify right side
    36,636.99x = 1,047,663,764.21
  5. Step 5: Solve for x
    x = 1,047,663,764.21/36,636.99
  6. Step 6: Final answer
    x = 28,595.79

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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.