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Finding the Fourth Proportional to 45,603, 68,393.97 and 17,513.82

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Solution

The fourth proportional to 45,603, 68,393.97 and 17,513.82 is: 26,266.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,603 : 68,393.97 = 17,513.82 : x
  2. Step 2: Convert to fraction form
    45,603/68,393.97 = 17,513.82/x
  3. Step 3: Cross multiply
    45,603x = 68,393.97 × 17,513.82
  4. Step 4: Simplify right side
    45,603x = 1,197,839,679.67
  5. Step 5: Solve for x
    x = 1,197,839,679.67/45,603
  6. Step 6: Final answer
    x = 26,266.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.