Home / 36,335.55-50,142.62-20,422.70

Finding the Fourth Proportional to 36,335.55, 50,142.62 and 20,422.70

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Solution

The fourth proportional to 36,335.55, 50,142.62 and 20,422.70 is: 28,183.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,335.55 : 50,142.62 = 20,422.70 : x
  2. Step 2: Convert to fraction form
    36,335.55/50,142.62 = 20,422.70/x
  3. Step 3: Cross multiply
    36,335.55x = 50,142.62 × 20,422.70
  4. Step 4: Simplify right side
    36,335.55x = 1,024,047,332.65
  5. Step 5: Solve for x
    x = 1,024,047,332.65/36,335.55
  6. Step 6: Final answer
    x = 28,183.07

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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.