Home / 36,689.30-50,629.70-20,774.62

Finding the Fourth Proportional to 36,689.30, 50,629.70 and 20,774.62

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Solution

The fourth proportional to 36,689.30, 50,629.70 and 20,774.62 is: 28,668.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,689.30 : 50,629.70 = 20,774.62 : x
  2. Step 2: Convert to fraction form
    36,689.30/50,629.70 = 20,774.62/x
  3. Step 3: Cross multiply
    36,689.30x = 50,629.70 × 20,774.62
  4. Step 4: Simplify right side
    36,689.30x = 1,051,812,778.21
  5. Step 5: Solve for x
    x = 1,051,812,778.21/36,689.30
  6. Step 6: Final answer
    x = 28,668.11

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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.