Home / 34,361.51-47,418.08-20,215.26

Finding the Fourth Proportional to 34,361.51, 47,418.08 and 20,215.26

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Solution

The fourth proportional to 34,361.51, 47,418.08 and 20,215.26 is: 27,896.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,361.51 : 47,418.08 = 20,215.26 : x
  2. Step 2: Convert to fraction form
    34,361.51/47,418.08 = 20,215.26/x
  3. Step 3: Cross multiply
    34,361.51x = 47,418.08 × 20,215.26
  4. Step 4: Simplify right side
    34,361.51x = 958,568,714.82
  5. Step 5: Solve for x
    x = 958,568,714.82/34,361.51
  6. Step 6: Final answer
    x = 27,896.59

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1.5x scale

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.