Home / 36,921.75-50,953.20-21,007.23

Finding the Fourth Proportional to 36,921.75, 50,953.20 and 21,007.23

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Solution

The fourth proportional to 36,921.75, 50,953.20 and 21,007.23 is: 28,990.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,921.75 : 50,953.20 = 21,007.23 : x
  2. Step 2: Convert to fraction form
    36,921.75/50,953.20 = 21,007.23/x
  3. Step 3: Cross multiply
    36,921.75x = 50,953.20 × 21,007.23
  4. Step 4: Simplify right side
    36,921.75x = 1,070,385,591.64
  5. Step 5: Solve for x
    x = 1,070,385,591.64/36,921.75
  6. Step 6: Final answer
    x = 28,990.65

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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.