Home / 31,656.30-43,684.26-17,315.88

Finding the Fourth Proportional to 31,656.30, 43,684.26 and 17,315.88

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Solution

The fourth proportional to 31,656.30, 43,684.26 and 17,315.88 is: 23,895.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,656.30 : 43,684.26 = 17,315.88 : x
  2. Step 2: Convert to fraction form
    31,656.30/43,684.26 = 17,315.88/x
  3. Step 3: Cross multiply
    31,656.30x = 43,684.26 × 17,315.88
  4. Step 4: Simplify right side
    31,656.30x = 756,431,404.05
  5. Step 5: Solve for x
    x = 756,431,404.05/31,656.30
  6. Step 6: Final answer
    x = 23,895.13

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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.