Home / 49,486.77-74,221.92-17,890.70

Finding the Fourth Proportional to 49,486.77, 74,221.92 and 17,890.70

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Solution

The fourth proportional to 49,486.77, 74,221.92 and 17,890.70 is: 26,833.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,486.77 : 74,221.92 = 17,890.70 : x
  2. Step 2: Convert to fraction form
    49,486.77/74,221.92 = 17,890.70/x
  3. Step 3: Cross multiply
    49,486.77x = 74,221.92 × 17,890.70
  4. Step 4: Simplify right side
    49,486.77x = 1,327,881,733.03
  5. Step 5: Solve for x
    x = 1,327,881,733.03/49,486.77
  6. Step 6: Final answer
    x = 26,833.07

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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.