Home / 36,305.31-50,098.86-20,391.24

Finding the Fourth Proportional to 36,305.31, 50,098.86 and 20,391.24

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Solution

The fourth proportional to 36,305.31, 50,098.86 and 20,391.24 is: 28,138.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,305.31 : 50,098.86 = 20,391.24 : x
  2. Step 2: Convert to fraction form
    36,305.31/50,098.86 = 20,391.24/x
  3. Step 3: Cross multiply
    36,305.31x = 50,098.86 × 20,391.24
  4. Step 4: Simplify right side
    36,305.31x = 1,021,577,877.99
  5. Step 5: Solve for x
    x = 1,021,577,877.99/36,305.31
  6. Step 6: Final answer
    x = 28,138.53

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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.