Home / 36,921.56-50,953.66-21,008.30

Finding the Fourth Proportional to 36,921.56, 50,953.66 and 21,008.30

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Solution

The fourth proportional to 36,921.56, 50,953.66 and 21,008.30 is: 28,992.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,921.56 : 50,953.66 = 21,008.30 : x
  2. Step 2: Convert to fraction form
    36,921.56/50,953.66 = 21,008.30/x
  3. Step 3: Cross multiply
    36,921.56x = 50,953.66 × 21,008.30
  4. Step 4: Simplify right side
    36,921.56x = 1,070,449,468.09
  5. Step 5: Solve for x
    x = 1,070,449,468.09/36,921.56
  6. Step 6: Final answer
    x = 28,992.53

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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.