Home / 61,724.43-85,179.82-33,430.12

Finding the Fourth Proportional to 61,724.43, 85,179.82 and 33,430.12

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Solution

The fourth proportional to 61,724.43, 85,179.82 and 33,430.12 is: 46,133.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,724.43 : 85,179.82 = 33,430.12 : x
  2. Step 2: Convert to fraction form
    61,724.43/85,179.82 = 33,430.12/x
  3. Step 3: Cross multiply
    61,724.43x = 85,179.82 × 33,430.12
  4. Step 4: Simplify right side
    61,724.43x = 2,847,571,604.18
  5. Step 5: Solve for x
    x = 2,847,571,604.18/61,724.43
  6. Step 6: Final answer
    x = 46,133.63

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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.