Home / 38,734.14-53,451.15-21,736.26

Finding the Fourth Proportional to 38,734.14, 53,451.15 and 21,736.26

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Solution

The fourth proportional to 38,734.14, 53,451.15 and 21,736.26 is: 29,994.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,734.14 : 53,451.15 = 21,736.26 : x
  2. Step 2: Convert to fraction form
    38,734.14/53,451.15 = 21,736.26/x
  3. Step 3: Cross multiply
    38,734.14x = 53,451.15 × 21,736.26
  4. Step 4: Simplify right side
    38,734.14x = 1,161,828,093.70
  5. Step 5: Solve for x
    x = 1,161,828,093.70/38,734.14
  6. Step 6: Final answer
    x = 29,994.94

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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.