Home / 31,525.68-43,505.78-17,379.03

Finding the Fourth Proportional to 31,525.68, 43,505.78 and 17,379.03

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Solution

The fourth proportional to 31,525.68, 43,505.78 and 17,379.03 is: 23,983.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,525.68 : 43,505.78 = 17,379.03 : x
  2. Step 2: Convert to fraction form
    31,525.68/43,505.78 = 17,379.03/x
  3. Step 3: Cross multiply
    31,525.68x = 43,505.78 × 17,379.03
  4. Step 4: Simplify right side
    31,525.68x = 756,088,168.90
  5. Step 5: Solve for x
    x = 756,088,168.90/31,525.68
  6. Step 6: Final answer
    x = 23,983.25

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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.