Home / 51,396.20-77,102.40-16,339.40

Finding the Fourth Proportional to 51,396.20, 77,102.40 and 16,339.40

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Solution

The fourth proportional to 51,396.20, 77,102.40 and 16,339.40 is: 24,511.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,396.20 : 77,102.40 = 16,339.40 : x
  2. Step 2: Convert to fraction form
    51,396.20/77,102.40 = 16,339.40/x
  3. Step 3: Cross multiply
    51,396.20x = 77,102.40 × 16,339.40
  4. Step 4: Simplify right side
    51,396.20x = 1,259,806,954.56
  5. Step 5: Solve for x
    x = 1,259,806,954.56/51,396.20
  6. Step 6: Final answer
    x = 24,511.68

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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.