Home / 49,747.68-74,619.09-18,580.50

Finding the Fourth Proportional to 49,747.68, 74,619.09 and 18,580.50

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Solution

The fourth proportional to 49,747.68, 74,619.09 and 18,580.50 is: 27,869.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,747.68 : 74,619.09 = 18,580.50 : x
  2. Step 2: Convert to fraction form
    49,747.68/74,619.09 = 18,580.50/x
  3. Step 3: Cross multiply
    49,747.68x = 74,619.09 × 18,580.50
  4. Step 4: Simplify right side
    49,747.68x = 1,386,460,001.75
  5. Step 5: Solve for x
    x = 1,386,460,001.75/49,747.68
  6. Step 6: Final answer
    x = 27,869.84

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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.