Home / 46,659.85-69,993.20-19,979.82

Finding the Fourth Proportional to 46,659.85, 69,993.20 and 19,979.82

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Solution

The fourth proportional to 46,659.85, 69,993.20 and 19,979.82 is: 29,971.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,659.85 : 69,993.20 = 19,979.82 : x
  2. Step 2: Convert to fraction form
    46,659.85/69,993.20 = 19,979.82/x
  3. Step 3: Cross multiply
    46,659.85x = 69,993.20 × 19,979.82
  4. Step 4: Simplify right side
    46,659.85x = 1,398,451,537.22
  5. Step 5: Solve for x
    x = 1,398,451,537.22/46,659.85
  6. Step 6: Final answer
    x = 29,971.20

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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.