Home / 49,840.62-74,746.26-18,668.58

Finding the Fourth Proportional to 49,840.62, 74,746.26 and 18,668.58

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Solution

The fourth proportional to 49,840.62, 74,746.26 and 18,668.58 is: 27,997.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,840.62 : 74,746.26 = 18,668.58 : x
  2. Step 2: Convert to fraction form
    49,840.62/74,746.26 = 18,668.58/x
  3. Step 3: Cross multiply
    49,840.62x = 74,746.26 × 18,668.58
  4. Step 4: Simplify right side
    49,840.62x = 1,395,406,534.51
  5. Step 5: Solve for x
    x = 1,395,406,534.51/49,840.62
  6. Step 6: Final answer
    x = 27,997.38

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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.