Home / 69,540.21-95,964.30-39,324.51

Finding the Fourth Proportional to 69,540.21, 95,964.30 and 39,324.51

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Solution

The fourth proportional to 69,540.21, 95,964.30 and 39,324.51 is: 54,267.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,540.21 : 95,964.30 = 39,324.51 : x
  2. Step 2: Convert to fraction form
    69,540.21/95,964.30 = 39,324.51/x
  3. Step 3: Cross multiply
    69,540.21x = 95,964.30 × 39,324.51
  4. Step 4: Simplify right side
    69,540.21x = 3,773,749,074.99
  5. Step 5: Solve for x
    x = 3,773,749,074.99/69,540.21
  6. Step 6: Final answer
    x = 54,267.15

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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.