Home / 34,589.82-47,725.14-21,156.17

Finding the Fourth Proportional to 34,589.82, 47,725.14 and 21,156.17

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Solution

The fourth proportional to 34,589.82, 47,725.14 and 21,156.17 is: 29,190.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,589.82 : 47,725.14 = 21,156.17 : x
  2. Step 2: Convert to fraction form
    34,589.82/47,725.14 = 21,156.17/x
  3. Step 3: Cross multiply
    34,589.82x = 47,725.14 × 21,156.17
  4. Step 4: Simplify right side
    34,589.82x = 1,009,680,936.49
  5. Step 5: Solve for x
    x = 1,009,680,936.49/34,589.82
  6. Step 6: Final answer
    x = 29,190.12

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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.