Home / 46,517.78-69,753.64-19,859.60

Finding the Fourth Proportional to 46,517.78, 69,753.64 and 19,859.60

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Solution

The fourth proportional to 46,517.78, 69,753.64 and 19,859.60 is: 29,779.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,517.78 : 69,753.64 = 19,859.60 : x
  2. Step 2: Convert to fraction form
    46,517.78/69,753.64 = 19,859.60/x
  3. Step 3: Cross multiply
    46,517.78x = 69,753.64 × 19,859.60
  4. Step 4: Simplify right side
    46,517.78x = 1,385,279,388.94
  5. Step 5: Solve for x
    x = 1,385,279,388.94/46,517.78
  6. Step 6: Final answer
    x = 29,779.57

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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.