Home / 55,218.44-82,840.90-17,782.04

Finding the Fourth Proportional to 55,218.44, 82,840.90 and 17,782.04

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Solution

The fourth proportional to 55,218.44, 82,840.90 and 17,782.04 is: 26,677.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,218.44 : 82,840.90 = 17,782.04 : x
  2. Step 2: Convert to fraction form
    55,218.44/82,840.90 = 17,782.04/x
  3. Step 3: Cross multiply
    55,218.44x = 82,840.90 × 17,782.04
  4. Step 4: Simplify right side
    55,218.44x = 1,473,080,197.44
  5. Step 5: Solve for x
    x = 1,473,080,197.44/55,218.44
  6. Step 6: Final answer
    x = 26,677.32

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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.