Home / 45,378.16-67,997.94-19,068.52

Finding the Fourth Proportional to 45,378.16, 67,997.94 and 19,068.52

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Solution

The fourth proportional to 45,378.16, 67,997.94 and 19,068.52 is: 28,573.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,378.16 : 67,997.94 = 19,068.52 : x
  2. Step 2: Convert to fraction form
    45,378.16/67,997.94 = 19,068.52/x
  3. Step 3: Cross multiply
    45,378.16x = 67,997.94 × 19,068.52
  4. Step 4: Simplify right side
    45,378.16x = 1,296,620,078.85
  5. Step 5: Solve for x
    x = 1,296,620,078.85/45,378.16
  6. Step 6: Final answer
    x = 28,573.66

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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.