Home / 69,736.82-96,220.85-39,515.18

Finding the Fourth Proportional to 69,736.82, 96,220.85 and 39,515.18

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Solution

The fourth proportional to 69,736.82, 96,220.85 and 39,515.18 is: 54,521.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,736.82 : 96,220.85 = 39,515.18 : x
  2. Step 2: Convert to fraction form
    69,736.82/96,220.85 = 39,515.18/x
  3. Step 3: Cross multiply
    69,736.82x = 96,220.85 × 39,515.18
  4. Step 4: Simplify right side
    69,736.82x = 3,802,183,528.82
  5. Step 5: Solve for x
    x = 3,802,183,528.82/69,736.82
  6. Step 6: Final answer
    x = 54,521.90

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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.