Home / 36,339.87-50,147.10-20,423.28

Finding the Fourth Proportional to 36,339.87, 50,147.10 and 20,423.28

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Solution

The fourth proportional to 36,339.87, 50,147.10 and 20,423.28 is: 28,183.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,339.87 : 50,147.10 = 20,423.28 : x
  2. Step 2: Convert to fraction form
    36,339.87/50,147.10 = 20,423.28/x
  3. Step 3: Cross multiply
    36,339.87x = 50,147.10 × 20,423.28
  4. Step 4: Simplify right side
    36,339.87x = 1,024,168,264.49
  5. Step 5: Solve for x
    x = 1,024,168,264.49/36,339.87
  6. Step 6: Final answer
    x = 28,183.05

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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.