Home / 39,441.12-54,422.88-22,670.88

Finding the Fourth Proportional to 39,441.12, 54,422.88 and 22,670.88

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Solution

The fourth proportional to 39,441.12, 54,422.88 and 22,670.88 is: 31,282.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,441.12 : 54,422.88 = 22,670.88 : x
  2. Step 2: Convert to fraction form
    39,441.12/54,422.88 = 22,670.88/x
  3. Step 3: Cross multiply
    39,441.12x = 54,422.88 × 22,670.88
  4. Step 4: Simplify right side
    39,441.12x = 1,233,814,581.73
  5. Step 5: Solve for x
    x = 1,233,814,581.73/39,441.12
  6. Step 6: Final answer
    x = 31,282.44

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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.