Home / 51,976.53-77,956.70-16,915.95

Finding the Fourth Proportional to 51,976.53, 77,956.70 and 16,915.95

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Solution

The fourth proportional to 51,976.53, 77,956.70 and 16,915.95 is: 25,371.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,976.53 : 77,956.70 = 16,915.95 : x
  2. Step 2: Convert to fraction form
    51,976.53/77,956.70 = 16,915.95/x
  3. Step 3: Cross multiply
    51,976.53x = 77,956.70 × 16,915.95
  4. Step 4: Simplify right side
    51,976.53x = 1,318,711,554.79
  5. Step 5: Solve for x
    x = 1,318,711,554.79/51,976.53
  6. Step 6: Final answer
    x = 25,371.29

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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.