Home / 58,018.89-86,960.97-21,972.43

Finding the Fourth Proportional to 58,018.89, 86,960.97 and 21,972.43

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Solution

The fourth proportional to 58,018.89, 86,960.97 and 21,972.43 is: 32,933.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,018.89 : 86,960.97 = 21,972.43 : x
  2. Step 2: Convert to fraction form
    58,018.89/86,960.97 = 21,972.43/x
  3. Step 3: Cross multiply
    58,018.89x = 86,960.97 × 21,972.43
  4. Step 4: Simplify right side
    58,018.89x = 1,910,743,826.06
  5. Step 5: Solve for x
    x = 1,910,743,826.06/58,018.89
  6. Step 6: Final answer
    x = 32,933.13

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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.