Home / 36,338.79-50,149.02-20,423.21

Finding the Fourth Proportional to 36,338.79, 50,149.02 and 20,423.21

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Solution

The fourth proportional to 36,338.79, 50,149.02 and 20,423.21 is: 28,184.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,338.79 : 50,149.02 = 20,423.21 : x
  2. Step 2: Convert to fraction form
    36,338.79/50,149.02 = 20,423.21/x
  3. Step 3: Cross multiply
    36,338.79x = 50,149.02 × 20,423.21
  4. Step 4: Simplify right side
    36,338.79x = 1,024,203,716.01
  5. Step 5: Solve for x
    x = 1,024,203,716.01/36,338.79
  6. Step 6: Final answer
    x = 28,184.86

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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.