Home / 36,636.74-50,559.83-20,720.85

Finding the Fourth Proportional to 36,636.74, 50,559.83 and 20,720.85

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Solution

The fourth proportional to 36,636.74, 50,559.83 and 20,720.85 is: 28,595.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,636.74 : 50,559.83 = 20,720.85 : x
  2. Step 2: Convert to fraction form
    36,636.74/50,559.83 = 20,720.85/x
  3. Step 3: Cross multiply
    36,636.74x = 50,559.83 × 20,720.85
  4. Step 4: Simplify right side
    36,636.74x = 1,047,642,549.85
  5. Step 5: Solve for x
    x = 1,047,642,549.85/36,636.74
  6. Step 6: Final answer
    x = 28,595.41

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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.