Home / 69,296.16-103,937.76-19,380.72

Finding the Fourth Proportional to 69,296.16, 103,937.76 and 19,380.72

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Solution

The fourth proportional to 69,296.16, 103,937.76 and 19,380.72 is: 29,069.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,296.16 : 103,937.76 = 19,380.72 : x
  2. Step 2: Convert to fraction form
    69,296.16/103,937.76 = 19,380.72/x
  3. Step 3: Cross multiply
    69,296.16x = 103,937.76 × 19,380.72
  4. Step 4: Simplify right side
    69,296.16x = 2,014,388,623.99
  5. Step 5: Solve for x
    x = 2,014,388,623.99/69,296.16
  6. Step 6: Final answer
    x = 29,069.27

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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.