Home / 69,389.64-95,755.68-39,175.92

Finding the Fourth Proportional to 69,389.64, 95,755.68 and 39,175.92

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Solution

The fourth proportional to 69,389.64, 95,755.68 and 39,175.92 is: 54,061.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,389.64 : 95,755.68 = 39,175.92 : x
  2. Step 2: Convert to fraction form
    69,389.64/95,755.68 = 39,175.92/x
  3. Step 3: Cross multiply
    69,389.64x = 95,755.68 × 39,175.92
  4. Step 4: Simplify right side
    69,389.64x = 3,751,316,859.23
  5. Step 5: Solve for x
    x = 3,751,316,859.23/69,389.64
  6. Step 6: Final answer
    x = 54,061.63

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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.