Home / 30,342.99-45,504.65-11,622.03

Finding the Fourth Proportional to 30,342.99, 45,504.65 and 11,622.03

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Solution

The fourth proportional to 30,342.99, 45,504.65 and 11,622.03 is: 17,429.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,342.99 : 45,504.65 = 11,622.03 : x
  2. Step 2: Convert to fraction form
    30,342.99/45,504.65 = 11,622.03/x
  3. Step 3: Cross multiply
    30,342.99x = 45,504.65 × 11,622.03
  4. Step 4: Simplify right side
    30,342.99x = 528,856,349.33
  5. Step 5: Solve for x
    x = 528,856,349.33/30,342.99
  6. Step 6: Final answer
    x = 17,429.28

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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.