Home / 50,133.12-69,183.72-29,990.86

Finding the Fourth Proportional to 50,133.12, 69,183.72 and 29,990.86

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Solution

The fourth proportional to 50,133.12, 69,183.72 and 29,990.86 is: 41,387.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,133.12 : 69,183.72 = 29,990.86 : x
  2. Step 2: Convert to fraction form
    50,133.12/69,183.72 = 29,990.86/x
  3. Step 3: Cross multiply
    50,133.12x = 69,183.72 × 29,990.86
  4. Step 4: Simplify right side
    50,133.12x = 2,074,879,260.80
  5. Step 5: Solve for x
    x = 2,074,879,260.80/50,133.12
  6. Step 6: Final answer
    x = 41,387.40

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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.