Home / 31,723.58-43,776.66-17,380.56

Finding the Fourth Proportional to 31,723.58, 43,776.66 and 17,380.56

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Solution

The fourth proportional to 31,723.58, 43,776.66 and 17,380.56 is: 23,984.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,723.58 : 43,776.66 = 17,380.56 : x
  2. Step 2: Convert to fraction form
    31,723.58/43,776.66 = 17,380.56/x
  3. Step 3: Cross multiply
    31,723.58x = 43,776.66 × 17,380.56
  4. Step 4: Simplify right side
    31,723.58x = 760,863,095.07
  5. Step 5: Solve for x
    x = 760,863,095.07/31,723.58
  6. Step 6: Final answer
    x = 23,984.15

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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.