Home / 38,735.29-53,452.33-21,736.63

Finding the Fourth Proportional to 38,735.29, 53,452.33 and 21,736.63

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Solution

The fourth proportional to 38,735.29, 53,452.33 and 21,736.63 is: 29,995.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,735.29 : 53,452.33 = 21,736.63 : x
  2. Step 2: Convert to fraction form
    38,735.29/53,452.33 = 21,736.63/x
  3. Step 3: Cross multiply
    38,735.29x = 53,452.33 × 21,736.63
  4. Step 4: Simplify right side
    38,735.29x = 1,161,873,519.85
  5. Step 5: Solve for x
    x = 1,161,873,519.85/38,735.29
  6. Step 6: Final answer
    x = 29,995.22

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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.