Home / 36,398.16-50,230.80-20,487.60

Finding the Fourth Proportional to 36,398.16, 50,230.80 and 20,487.60

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Solution

The fourth proportional to 36,398.16, 50,230.80 and 20,487.60 is: 28,273.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,398.16 : 50,230.80 = 20,487.60 : x
  2. Step 2: Convert to fraction form
    36,398.16/50,230.80 = 20,487.60/x
  3. Step 3: Cross multiply
    36,398.16x = 50,230.80 × 20,487.60
  4. Step 4: Simplify right side
    36,398.16x = 1,029,108,538.08
  5. Step 5: Solve for x
    x = 1,029,108,538.08/36,398.16
  6. Step 6: Final answer
    x = 28,273.64

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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.