Home / 46,209.54-69,314.31-18,142.81

Finding the Fourth Proportional to 46,209.54, 69,314.31 and 18,142.81

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Solution

The fourth proportional to 46,209.54, 69,314.31 and 18,142.81 is: 27,214.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,209.54 : 69,314.31 = 18,142.81 : x
  2. Step 2: Convert to fraction form
    46,209.54/69,314.31 = 18,142.81/x
  3. Step 3: Cross multiply
    46,209.54x = 69,314.31 × 18,142.81
  4. Step 4: Simplify right side
    46,209.54x = 1,257,556,327.25
  5. Step 5: Solve for x
    x = 1,257,556,327.25/46,209.54
  6. Step 6: Final answer
    x = 27,214.22

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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.