Home / 35,918.56-53,878.72-12,226.06

Finding the Fourth Proportional to 35,918.56, 53,878.72 and 12,226.06

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Solution

The fourth proportional to 35,918.56, 53,878.72 and 12,226.06 is: 18,339.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,918.56 : 53,878.72 = 12,226.06 : x
  2. Step 2: Convert to fraction form
    35,918.56/53,878.72 = 12,226.06/x
  3. Step 3: Cross multiply
    35,918.56x = 53,878.72 × 12,226.06
  4. Step 4: Simplify right side
    35,918.56x = 658,724,463.44
  5. Step 5: Solve for x
    x = 658,724,463.44/35,918.56
  6. Step 6: Final answer
    x = 18,339.39

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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.