Home / 60,716.49-91,019.60-21,252.07

Finding the Fourth Proportional to 60,716.49, 91,019.60 and 21,252.07

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Solution

The fourth proportional to 60,716.49, 91,019.60 and 21,252.07 is: 31,858.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,716.49 : 91,019.60 = 21,252.07 : x
  2. Step 2: Convert to fraction form
    60,716.49/91,019.60 = 21,252.07/x
  3. Step 3: Cross multiply
    60,716.49x = 91,019.60 × 21,252.07
  4. Step 4: Simplify right side
    60,716.49x = 1,934,354,910.57
  5. Step 5: Solve for x
    x = 1,934,354,910.57/60,716.49
  6. Step 6: Final answer
    x = 31,858.81

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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.