Home / 57,949.68-86,923.80-18,506.28

Finding the Fourth Proportional to 57,949.68, 86,923.80 and 18,506.28

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Solution

The fourth proportional to 57,949.68, 86,923.80 and 18,506.28 is: 27,759.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,949.68 : 86,923.80 = 18,506.28 : x
  2. Step 2: Convert to fraction form
    57,949.68/86,923.80 = 18,506.28/x
  3. Step 3: Cross multiply
    57,949.68x = 86,923.80 × 18,506.28
  4. Step 4: Simplify right side
    57,949.68x = 1,608,636,181.46
  5. Step 5: Solve for x
    x = 1,608,636,181.46/57,949.68
  6. Step 6: Final answer
    x = 27,759.19

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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.