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Finding the Fourth Proportional to 39,968, 59,954.88 and 15,344

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Solution

The fourth proportional to 39,968, 59,954.88 and 15,344 is: 23,017.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,968 : 59,954.88 = 15,344 : x
  2. Step 2: Convert to fraction form
    39,968/59,954.88 = 15,344/x
  3. Step 3: Cross multiply
    39,968x = 59,954.88 × 15,344
  4. Step 4: Simplify right side
    39,968x = 919,947,678.72
  5. Step 5: Solve for x
    x = 919,947,678.72/39,968
  6. Step 6: Final answer
    x = 23,017.11

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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.