Home / 38,215.26-52,741.90-21,448.26

Finding the Fourth Proportional to 38,215.26, 52,741.90 and 21,448.26

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Solution

The fourth proportional to 38,215.26, 52,741.90 and 21,448.26 is: 29,601.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,215.26 : 52,741.90 = 21,448.26 : x
  2. Step 2: Convert to fraction form
    38,215.26/52,741.90 = 21,448.26/x
  3. Step 3: Cross multiply
    38,215.26x = 52,741.90 × 21,448.26
  4. Step 4: Simplify right side
    38,215.26x = 1,131,221,984.09
  5. Step 5: Solve for x
    x = 1,131,221,984.09/38,215.26
  6. Step 6: Final answer
    x = 29,601.32

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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.