Home / 50,111.64-75,183.12-30,142.92

Finding the Fourth Proportional to 50,111.64, 75,183.12 and 30,142.92

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Solution

The fourth proportional to 50,111.64, 75,183.12 and 30,142.92 is: 45,223.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,111.64 : 75,183.12 = 30,142.92 : x
  2. Step 2: Convert to fraction form
    50,111.64/75,183.12 = 30,142.92/x
  3. Step 3: Cross multiply
    50,111.64x = 75,183.12 × 30,142.92
  4. Step 4: Simplify right side
    50,111.64x = 2,266,238,771.51
  5. Step 5: Solve for x
    x = 2,266,238,771.51/50,111.64
  6. Step 6: Final answer
    x = 45,223.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.