Home / 39,855.10-54,997.93-22,858.47

Finding the Fourth Proportional to 39,855.10, 54,997.93 and 22,858.47

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Solution

The fourth proportional to 39,855.10, 54,997.93 and 22,858.47 is: 31,543.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,855.10 : 54,997.93 = 22,858.47 : x
  2. Step 2: Convert to fraction form
    39,855.10/54,997.93 = 22,858.47/x
  3. Step 3: Cross multiply
    39,855.10x = 54,997.93 × 22,858.47
  4. Step 4: Simplify right side
    39,855.10x = 1,257,168,532.97
  5. Step 5: Solve for x
    x = 1,257,168,532.97/39,855.10
  6. Step 6: Final answer
    x = 31,543.48

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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.