Home / 53,091.44-79,566.38-19,777.95

Finding the Fourth Proportional to 53,091.44, 79,566.38 and 19,777.95

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Solution

The fourth proportional to 53,091.44, 79,566.38 and 19,777.95 is: 29,640.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,091.44 : 79,566.38 = 19,777.95 : x
  2. Step 2: Convert to fraction form
    53,091.44/79,566.38 = 19,777.95/x
  3. Step 3: Cross multiply
    53,091.44x = 79,566.38 × 19,777.95
  4. Step 4: Simplify right side
    53,091.44x = 1,573,659,786.43
  5. Step 5: Solve for x
    x = 1,573,659,786.43/53,091.44
  6. Step 6: Final answer
    x = 29,640.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.