Home / 68,824.94-94,985.61-38,618.42

Finding the Fourth Proportional to 68,824.94, 94,985.61 and 38,618.42

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Solution

The fourth proportional to 68,824.94, 94,985.61 and 38,618.42 is: 53,297.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,824.94 : 94,985.61 = 38,618.42 : x
  2. Step 2: Convert to fraction form
    68,824.94/94,985.61 = 38,618.42/x
  3. Step 3: Cross multiply
    68,824.94x = 94,985.61 × 38,618.42
  4. Step 4: Simplify right side
    68,824.94x = 3,668,194,180.94
  5. Step 5: Solve for x
    x = 3,668,194,180.94/68,824.94
  6. Step 6: Final answer
    x = 53,297.46

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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.