Home / 30,361.50-45,556.32-11,635.26

Finding the Fourth Proportional to 30,361.50, 45,556.32 and 11,635.26

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Solution

The fourth proportional to 30,361.50, 45,556.32 and 11,635.26 is: 17,458.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,361.50 : 45,556.32 = 11,635.26 : x
  2. Step 2: Convert to fraction form
    30,361.50/45,556.32 = 11,635.26/x
  3. Step 3: Cross multiply
    30,361.50x = 45,556.32 × 11,635.26
  4. Step 4: Simplify right side
    30,361.50x = 530,059,627.84
  5. Step 5: Solve for x
    x = 530,059,627.84/30,361.50
  6. Step 6: Final answer
    x = 17,458.28

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1.5x scale

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.