Home / 55,249.84-82,855.24-17,808.40

Finding the Fourth Proportional to 55,249.84, 82,855.24 and 17,808.40

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Solution

The fourth proportional to 55,249.84, 82,855.24 and 17,808.40 is: 26,706.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,249.84 : 82,855.24 = 17,808.40 : x
  2. Step 2: Convert to fraction form
    55,249.84/82,855.24 = 17,808.40/x
  3. Step 3: Cross multiply
    55,249.84x = 82,855.24 × 17,808.40
  4. Step 4: Simplify right side
    55,249.84x = 1,475,519,256.02
  5. Step 5: Solve for x
    x = 1,475,519,256.02/55,249.84
  6. Step 6: Final answer
    x = 26,706.31

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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.