Home / 38,736.23-53,451.60-21,738.17

Finding the Fourth Proportional to 38,736.23, 53,451.60 and 21,738.17

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Solution

The fourth proportional to 38,736.23, 53,451.60 and 21,738.17 is: 29,996.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,736.23 : 53,451.60 = 21,738.17 : x
  2. Step 2: Convert to fraction form
    38,736.23/53,451.60 = 21,738.17/x
  3. Step 3: Cross multiply
    38,736.23x = 53,451.60 × 21,738.17
  4. Step 4: Simplify right side
    38,736.23x = 1,161,940,019.68
  5. Step 5: Solve for x
    x = 1,161,940,019.68/38,736.23
  6. Step 6: Final answer
    x = 29,996.21

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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.