Home / 69,807.02-104,709.15-19,887.44

Finding the Fourth Proportional to 69,807.02, 104,709.15 and 19,887.44

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Solution

The fourth proportional to 69,807.02, 104,709.15 and 19,887.44 is: 29,830.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,807.02 : 104,709.15 = 19,887.44 : x
  2. Step 2: Convert to fraction form
    69,807.02/104,709.15 = 19,887.44/x
  3. Step 3: Cross multiply
    69,807.02x = 104,709.15 × 19,887.44
  4. Step 4: Simplify right side
    69,807.02x = 2,082,396,414.53
  5. Step 5: Solve for x
    x = 2,082,396,414.53/69,807.02
  6. Step 6: Final answer
    x = 29,830.76

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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.