Home / 69,521.69-95,934.16-39,305.45

Finding the Fourth Proportional to 69,521.69, 95,934.16 and 39,305.45

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Solution

The fourth proportional to 69,521.69, 95,934.16 and 39,305.45 is: 54,238.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,521.69 : 95,934.16 = 39,305.45 : x
  2. Step 2: Convert to fraction form
    69,521.69/95,934.16 = 39,305.45/x
  3. Step 3: Cross multiply
    69,521.69x = 95,934.16 × 39,305.45
  4. Step 4: Simplify right side
    69,521.69x = 3,770,735,329.17
  5. Step 5: Solve for x
    x = 3,770,735,329.17/69,521.69
  6. Step 6: Final answer
    x = 54,238.26

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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.