Home / 29,981.61-44,964.57-8,915.97

Finding the Fourth Proportional to 29,981.61, 44,964.57 and 8,915.97

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Solution

The fourth proportional to 29,981.61, 44,964.57 and 8,915.97 is: 13,371.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,981.61 : 44,964.57 = 8,915.97 : x
  2. Step 2: Convert to fraction form
    29,981.61/44,964.57 = 8,915.97/x
  3. Step 3: Cross multiply
    29,981.61x = 44,964.57 × 8,915.97
  4. Step 4: Simplify right side
    29,981.61x = 400,902,959.23
  5. Step 5: Solve for x
    x = 400,902,959.23/29,981.61
  6. Step 6: Final answer
    x = 13,371.63

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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.