Home / 50,661.12-69,921-29,452.68

Finding the Fourth Proportional to 50,661.12, 69,921 and 29,452.68

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Solution

The fourth proportional to 50,661.12, 69,921 and 29,452.68 is: 40,649.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,661.12 : 69,921 = 29,452.68 : x
  2. Step 2: Convert to fraction form
    50,661.12/69,921 = 29,452.68/x
  3. Step 3: Cross multiply
    50,661.12x = 69,921 × 29,452.68
  4. Step 4: Simplify right side
    50,661.12x = 2,059,360,838.28
  5. Step 5: Solve for x
    x = 2,059,360,838.28/50,661.12
  6. Step 6: Final answer
    x = 40,649.73

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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.