Home / 49,853.48-74,758.32-18,666.86

Finding the Fourth Proportional to 49,853.48, 74,758.32 and 18,666.86

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Solution

The fourth proportional to 49,853.48, 74,758.32 and 18,666.86 is: 27,992.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,853.48 : 74,758.32 = 18,666.86 : x
  2. Step 2: Convert to fraction form
    49,853.48/74,758.32 = 18,666.86/x
  3. Step 3: Cross multiply
    49,853.48x = 74,758.32 × 18,666.86
  4. Step 4: Simplify right side
    49,853.48x = 1,395,502,719.48
  5. Step 5: Solve for x
    x = 1,395,502,719.48/49,853.48
  6. Step 6: Final answer
    x = 27,992.09

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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.