Home / 36,917.24-50,944.02-21,000.20

Finding the Fourth Proportional to 36,917.24, 50,944.02 and 21,000.20

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Solution

The fourth proportional to 36,917.24, 50,944.02 and 21,000.20 is: 28,979.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,917.24 : 50,944.02 = 21,000.20 : x
  2. Step 2: Convert to fraction form
    36,917.24/50,944.02 = 21,000.20/x
  3. Step 3: Cross multiply
    36,917.24x = 50,944.02 × 21,000.20
  4. Step 4: Simplify right side
    36,917.24x = 1,069,834,608.80
  5. Step 5: Solve for x
    x = 1,069,834,608.80/36,917.24
  6. Step 6: Final answer
    x = 28,979.27

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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.