Home / 36,388.02-50,215-20,472.58

Finding the Fourth Proportional to 36,388.02, 50,215 and 20,472.58

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Solution

The fourth proportional to 36,388.02, 50,215 and 20,472.58 is: 28,251.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,388.02 : 50,215 = 20,472.58 : x
  2. Step 2: Convert to fraction form
    36,388.02/50,215 = 20,472.58/x
  3. Step 3: Cross multiply
    36,388.02x = 50,215 × 20,472.58
  4. Step 4: Simplify right side
    36,388.02x = 1,028,030,604.70
  5. Step 5: Solve for x
    x = 1,028,030,604.70/36,388.02
  6. Step 6: Final answer
    x = 28,251.90

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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.