Home / 29,668.82-40,953.30-18,347

Finding the Fourth Proportional to 29,668.82, 40,953.30 and 18,347

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Solution

The fourth proportional to 29,668.82, 40,953.30 and 18,347 is: 25,325.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,668.82 : 40,953.30 = 18,347 : x
  2. Step 2: Convert to fraction form
    29,668.82/40,953.30 = 18,347/x
  3. Step 3: Cross multiply
    29,668.82x = 40,953.30 × 18,347
  4. Step 4: Simplify right side
    29,668.82x = 751,370,195.10
  5. Step 5: Solve for x
    x = 751,370,195.10/29,668.82
  6. Step 6: Final answer
    x = 25,325.25

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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.