Home / 35,563.06-49,078.01-21,231.22

Finding the Fourth Proportional to 35,563.06, 49,078.01 and 21,231.22

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Solution

The fourth proportional to 35,563.06, 49,078.01 and 21,231.22 is: 29,299.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,563.06 : 49,078.01 = 21,231.22 : x
  2. Step 2: Convert to fraction form
    35,563.06/49,078.01 = 21,231.22/x
  3. Step 3: Cross multiply
    35,563.06x = 49,078.01 × 21,231.22
  4. Step 4: Simplify right side
    35,563.06x = 1,041,986,027.47
  5. Step 5: Solve for x
    x = 1,041,986,027.47/35,563.06
  6. Step 6: Final answer
    x = 29,299.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.