Home / 31,536.09-43,519.75-17,388.96

Finding the Fourth Proportional to 31,536.09, 43,519.75 and 17,388.96

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Solution

The fourth proportional to 31,536.09, 43,519.75 and 17,388.96 is: 23,996.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,536.09 : 43,519.75 = 17,388.96 : x
  2. Step 2: Convert to fraction form
    31,536.09/43,519.75 = 17,388.96/x
  3. Step 3: Cross multiply
    31,536.09x = 43,519.75 × 17,388.96
  4. Step 4: Simplify right side
    31,536.09x = 756,763,409.50
  5. Step 5: Solve for x
    x = 756,763,409.50/31,536.09
  6. Step 6: Final answer
    x = 23,996.74

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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.