Home / 49,647.07-74,428.78-21,545.97

Finding the Fourth Proportional to 49,647.07, 74,428.78 and 21,545.97

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Solution

The fourth proportional to 49,647.07, 74,428.78 and 21,545.97 is: 32,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,647.07 : 74,428.78 = 21,545.97 : x
  2. Step 2: Convert to fraction form
    49,647.07/74,428.78 = 21,545.97/x
  3. Step 3: Cross multiply
    49,647.07x = 74,428.78 × 21,545.97
  4. Step 4: Simplify right side
    49,647.07x = 1,603,640,261.02
  5. Step 5: Solve for x
    x = 1,603,640,261.02/49,647.07
  6. Step 6: Final answer
    x = 32,300.80

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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.