Home / 36,403.16-50,236.31-20,487.72

Finding the Fourth Proportional to 36,403.16, 50,236.31 and 20,487.72

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Solution

The fourth proportional to 36,403.16, 50,236.31 and 20,487.72 is: 28,273.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,403.16 : 50,236.31 = 20,487.72 : x
  2. Step 2: Convert to fraction form
    36,403.16/50,236.31 = 20,487.72/x
  3. Step 3: Cross multiply
    36,403.16x = 50,236.31 × 20,487.72
  4. Step 4: Simplify right side
    36,403.16x = 1,029,227,453.11
  5. Step 5: Solve for x
    x = 1,029,227,453.11/36,403.16
  6. Step 6: Final answer
    x = 28,273.03

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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.