Home / 36,778.47-50,763.36-20,872.50

Finding the Fourth Proportional to 36,778.47, 50,763.36 and 20,872.50

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Solution

The fourth proportional to 36,778.47, 50,763.36 and 20,872.50 is: 28,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,778.47 : 50,763.36 = 20,872.50 : x
  2. Step 2: Convert to fraction form
    36,778.47/50,763.36 = 20,872.50/x
  3. Step 3: Cross multiply
    36,778.47x = 50,763.36 × 20,872.50
  4. Step 4: Simplify right side
    36,778.47x = 1,059,558,231.60
  5. Step 5: Solve for x
    x = 1,059,558,231.60/36,778.47
  6. Step 6: Final answer
    x = 28,809.20

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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.