Home / 69,073.78-95,321.68-38,859.13

Finding the Fourth Proportional to 69,073.78, 95,321.68 and 38,859.13

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Solution

The fourth proportional to 69,073.78, 95,321.68 and 38,859.13 is: 53,625.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,073.78 : 95,321.68 = 38,859.13 : x
  2. Step 2: Convert to fraction form
    69,073.78/95,321.68 = 38,859.13/x
  3. Step 3: Cross multiply
    69,073.78x = 95,321.68 × 38,859.13
  4. Step 4: Simplify right side
    69,073.78x = 3,704,117,554.94
  5. Step 5: Solve for x
    x = 3,704,117,554.94/69,073.78
  6. Step 6: Final answer
    x = 53,625.52

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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.