Home / 46,211.54-69,317.31-18,144.81

Finding the Fourth Proportional to 46,211.54, 69,317.31 and 18,144.81

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Solution

The fourth proportional to 46,211.54, 69,317.31 and 18,144.81 is: 27,217.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,211.54 : 69,317.31 = 18,144.81 : x
  2. Step 2: Convert to fraction form
    46,211.54/69,317.31 = 18,144.81/x
  3. Step 3: Cross multiply
    46,211.54x = 69,317.31 × 18,144.81
  4. Step 4: Simplify right side
    46,211.54x = 1,257,749,419.66
  5. Step 5: Solve for x
    x = 1,257,749,419.66/46,211.54
  6. Step 6: Final answer
    x = 27,217.22

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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.