Home / 36,837.60-50,837.16-20,921.52

Finding the Fourth Proportional to 36,837.60, 50,837.16 and 20,921.52

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Solution

The fourth proportional to 36,837.60, 50,837.16 and 20,921.52 is: 28,872.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,837.60 : 50,837.16 = 20,921.52 : x
  2. Step 2: Convert to fraction form
    36,837.60/50,837.16 = 20,921.52/x
  3. Step 3: Cross multiply
    36,837.60x = 50,837.16 × 20,921.52
  4. Step 4: Simplify right side
    36,837.60x = 1,063,590,659.68
  5. Step 5: Solve for x
    x = 1,063,590,659.68/36,837.60
  6. Step 6: Final answer
    x = 28,872.42

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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.