Home / 68,936.49-95,132.40-38,721.82

Finding the Fourth Proportional to 68,936.49, 95,132.40 and 38,721.82

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Solution

The fourth proportional to 68,936.49, 95,132.40 and 38,721.82 is: 53,436.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,936.49 : 95,132.40 = 38,721.82 : x
  2. Step 2: Convert to fraction form
    68,936.49/95,132.40 = 38,721.82/x
  3. Step 3: Cross multiply
    68,936.49x = 95,132.40 × 38,721.82
  4. Step 4: Simplify right side
    68,936.49x = 3,683,699,858.40
  5. Step 5: Solve for x
    x = 3,683,699,858.40/68,936.49
  6. Step 6: Final answer
    x = 53,436.14

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1.5x scale

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.