Home / 46,487.26-69,718.43-20,185.75

Finding the Fourth Proportional to 46,487.26, 69,718.43 and 20,185.75

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Solution

The fourth proportional to 46,487.26, 69,718.43 and 20,185.75 is: 30,273.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,487.26 : 69,718.43 = 20,185.75 : x
  2. Step 2: Convert to fraction form
    46,487.26/69,718.43 = 20,185.75/x
  3. Step 3: Cross multiply
    46,487.26x = 69,718.43 × 20,185.75
  4. Step 4: Simplify right side
    46,487.26x = 1,407,318,798.37
  5. Step 5: Solve for x
    x = 1,407,318,798.37/46,487.26
  6. Step 6: Final answer
    x = 30,273.21

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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.