Home / 38,550.58-53,201.09-21,784.66

Finding the Fourth Proportional to 38,550.58, 53,201.09 and 21,784.66

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Solution

The fourth proportional to 38,550.58, 53,201.09 and 21,784.66 is: 30,063.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,550.58 : 53,201.09 = 21,784.66 : x
  2. Step 2: Convert to fraction form
    38,550.58/53,201.09 = 21,784.66/x
  3. Step 3: Cross multiply
    38,550.58x = 53,201.09 × 21,784.66
  4. Step 4: Simplify right side
    38,550.58x = 1,158,967,657.28
  5. Step 5: Solve for x
    x = 1,158,967,657.28/38,550.58
  6. Step 6: Final answer
    x = 30,063.56

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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.