Home / 31,536.18-43,519.88-17,389.06

Finding the Fourth Proportional to 31,536.18, 43,519.88 and 17,389.06

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Solution

The fourth proportional to 31,536.18, 43,519.88 and 17,389.06 is: 23,996.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,536.18 : 43,519.88 = 17,389.06 : x
  2. Step 2: Convert to fraction form
    31,536.18/43,519.88 = 17,389.06/x
  3. Step 3: Cross multiply
    31,536.18x = 43,519.88 × 17,389.06
  4. Step 4: Simplify right side
    31,536.18x = 756,769,739.19
  5. Step 5: Solve for x
    x = 756,769,739.19/31,536.18
  6. Step 6: Final answer
    x = 23,996.87

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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.