Home / 51,436.54-71,022.69-39,480.94

Finding the Fourth Proportional to 51,436.54, 71,022.69 and 39,480.94

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Solution

The fourth proportional to 51,436.54, 71,022.69 and 39,480.94 is: 54,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,436.54 : 71,022.69 = 39,480.94 : x
  2. Step 2: Convert to fraction form
    51,436.54/71,022.69 = 39,480.94/x
  3. Step 3: Cross multiply
    51,436.54x = 71,022.69 × 39,480.94
  4. Step 4: Simplify right side
    51,436.54x = 2,804,042,562.53
  5. Step 5: Solve for x
    x = 2,804,042,562.53/51,436.54
  6. Step 6: Final answer
    x = 54,514.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.