Home / 60,747.17-91,121.56-21,305.43

Finding the Fourth Proportional to 60,747.17, 91,121.56 and 21,305.43

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Solution

The fourth proportional to 60,747.17, 91,121.56 and 21,305.43 is: 31,958.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,747.17 : 91,121.56 = 21,305.43 : x
  2. Step 2: Convert to fraction form
    60,747.17/91,121.56 = 21,305.43/x
  3. Step 3: Cross multiply
    60,747.17x = 91,121.56 × 21,305.43
  4. Step 4: Simplify right side
    60,747.17x = 1,941,384,018.07
  5. Step 5: Solve for x
    x = 1,941,384,018.07/60,747.17
  6. Step 6: Final answer
    x = 31,958.43

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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.