Home / 36,688.68-50,629.32-20,774.61

Finding the Fourth Proportional to 36,688.68, 50,629.32 and 20,774.61

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Solution

The fourth proportional to 36,688.68, 50,629.32 and 20,774.61 is: 28,668.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,688.68 : 50,629.32 = 20,774.61 : x
  2. Step 2: Convert to fraction form
    36,688.68/50,629.32 = 20,774.61/x
  3. Step 3: Cross multiply
    36,688.68x = 50,629.32 × 20,774.61
  4. Step 4: Simplify right side
    36,688.68x = 1,051,804,377.57
  5. Step 5: Solve for x
    x = 1,051,804,377.57/36,688.68
  6. Step 6: Final answer
    x = 28,668.36

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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.