Home / 36,820.90-55,255.56-20,192.64

Finding the Fourth Proportional to 36,820.90, 55,255.56 and 20,192.64

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Solution

The fourth proportional to 36,820.90, 55,255.56 and 20,192.64 is: 30,302.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,820.90 : 55,255.56 = 20,192.64 : x
  2. Step 2: Convert to fraction form
    36,820.90/55,255.56 = 20,192.64/x
  3. Step 3: Cross multiply
    36,820.90x = 55,255.56 × 20,192.64
  4. Step 4: Simplify right side
    36,820.90x = 1,115,755,631.08
  5. Step 5: Solve for x
    x = 1,115,755,631.08/36,820.90
  6. Step 6: Final answer
    x = 30,302.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.