Home / 52,476.12-78,732.41-17,418.51

Finding the Fourth Proportional to 52,476.12, 78,732.41 and 17,418.51

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Solution

The fourth proportional to 52,476.12, 78,732.41 and 17,418.51 is: 26,133.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,476.12 : 78,732.41 = 17,418.51 : x
  2. Step 2: Convert to fraction form
    52,476.12/78,732.41 = 17,418.51/x
  3. Step 3: Cross multiply
    52,476.12x = 78,732.41 × 17,418.51
  4. Step 4: Simplify right side
    52,476.12x = 1,371,401,183.82
  5. Step 5: Solve for x
    x = 1,371,401,183.82/52,476.12
  6. Step 6: Final answer
    x = 26,133.81

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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.