Home / 39,230.64-54,139.21-22,236.61

Finding the Fourth Proportional to 39,230.64, 54,139.21 and 22,236.61

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Solution

The fourth proportional to 39,230.64, 54,139.21 and 22,236.61 is: 30,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,230.64 : 54,139.21 = 22,236.61 : x
  2. Step 2: Convert to fraction form
    39,230.64/54,139.21 = 22,236.61/x
  3. Step 3: Cross multiply
    39,230.64x = 54,139.21 × 22,236.61
  4. Step 4: Simplify right side
    39,230.64x = 1,203,872,661.62
  5. Step 5: Solve for x
    x = 1,203,872,661.62/39,230.64
  6. Step 6: Final answer
    x = 30,687.05

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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.