Home / 39,346.82-54,298.61-21,441.84

Finding the Fourth Proportional to 39,346.82, 54,298.61 and 21,441.84

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Solution

The fourth proportional to 39,346.82, 54,298.61 and 21,441.84 is: 29,589.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,346.82 : 54,298.61 = 21,441.84 : x
  2. Step 2: Convert to fraction form
    39,346.82/54,298.61 = 21,441.84/x
  3. Step 3: Cross multiply
    39,346.82x = 54,298.61 × 21,441.84
  4. Step 4: Simplify right side
    39,346.82x = 1,164,261,797.01
  5. Step 5: Solve for x
    x = 1,164,261,797.01/39,346.82
  6. Step 6: Final answer
    x = 29,589.73

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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.