Home / 69,658.45-96,126.88-39,451.20

Finding the Fourth Proportional to 69,658.45, 96,126.88 and 39,451.20

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Solution

The fourth proportional to 69,658.45, 96,126.88 and 39,451.20 is: 54,441.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,658.45 : 96,126.88 = 39,451.20 : x
  2. Step 2: Convert to fraction form
    69,658.45/96,126.88 = 39,451.20/x
  3. Step 3: Cross multiply
    69,658.45x = 96,126.88 × 39,451.20
  4. Step 4: Simplify right side
    69,658.45x = 3,792,320,768.26
  5. Step 5: Solve for x
    x = 3,792,320,768.26/69,658.45
  6. Step 6: Final answer
    x = 54,441.65

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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.