Home / 36,319.04-50,114.81-20,400.44

Finding the Fourth Proportional to 36,319.04, 50,114.81 and 20,400.44

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Solution

The fourth proportional to 36,319.04, 50,114.81 and 20,400.44 is: 28,149.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,319.04 : 50,114.81 = 20,400.44 : x
  2. Step 2: Convert to fraction form
    36,319.04/50,114.81 = 20,400.44/x
  3. Step 3: Cross multiply
    36,319.04x = 50,114.81 × 20,400.44
  4. Step 4: Simplify right side
    36,319.04x = 1,022,364,174.52
  5. Step 5: Solve for x
    x = 1,022,364,174.52/36,319.04
  6. Step 6: Final answer
    x = 28,149.54

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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.