Home / 36,300.72-50,091.26-20,385.04

Finding the Fourth Proportional to 36,300.72, 50,091.26 and 20,385.04

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Solution

The fourth proportional to 36,300.72, 50,091.26 and 20,385.04 is: 28,129.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,300.72 : 50,091.26 = 20,385.04 : x
  2. Step 2: Convert to fraction form
    36,300.72/50,091.26 = 20,385.04/x
  3. Step 3: Cross multiply
    36,300.72x = 50,091.26 × 20,385.04
  4. Step 4: Simplify right side
    36,300.72x = 1,021,112,338.75
  5. Step 5: Solve for x
    x = 1,021,112,338.75/36,300.72
  6. Step 6: Final answer
    x = 28,129.26

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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.