Home / 41,603.08-62,404.70-20,821.80

Finding the Fourth Proportional to 41,603.08, 62,404.70 and 20,821.80

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Solution

The fourth proportional to 41,603.08, 62,404.70 and 20,821.80 is: 31,232.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,603.08 : 62,404.70 = 20,821.80 : x
  2. Step 2: Convert to fraction form
    41,603.08/62,404.70 = 20,821.80/x
  3. Step 3: Cross multiply
    41,603.08x = 62,404.70 × 20,821.80
  4. Step 4: Simplify right side
    41,603.08x = 1,299,378,182.46
  5. Step 5: Solve for x
    x = 1,299,378,182.46/41,603.08
  6. Step 6: Final answer
    x = 31,232.74

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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.