Home / 31,525.77-43,505.86-17,379.12

Finding the Fourth Proportional to 31,525.77, 43,505.86 and 17,379.12

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Solution

The fourth proportional to 31,525.77, 43,505.86 and 17,379.12 is: 23,983.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,525.77 : 43,505.86 = 17,379.12 : x
  2. Step 2: Convert to fraction form
    31,525.77/43,505.86 = 17,379.12/x
  3. Step 3: Cross multiply
    31,525.77x = 43,505.86 × 17,379.12
  4. Step 4: Simplify right side
    31,525.77x = 756,093,713.93
  5. Step 5: Solve for x
    x = 756,093,713.93/31,525.77
  6. Step 6: Final answer
    x = 23,983.35

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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.