Home / 36,418.16-50,256.26-20,285.40

Finding the Fourth Proportional to 36,418.16, 50,256.26 and 20,285.40

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Solution

The fourth proportional to 36,418.16, 50,256.26 and 20,285.40 is: 27,993.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,418.16 : 50,256.26 = 20,285.40 : x
  2. Step 2: Convert to fraction form
    36,418.16/50,256.26 = 20,285.40/x
  3. Step 3: Cross multiply
    36,418.16x = 50,256.26 × 20,285.40
  4. Step 4: Simplify right side
    36,418.16x = 1,019,468,613.81
  5. Step 5: Solve for x
    x = 1,019,468,613.81/36,418.16
  6. Step 6: Final answer
    x = 27,993.42

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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.