Home / 53,588.82-80,383.23-18,528.78

Finding the Fourth Proportional to 53,588.82, 80,383.23 and 18,528.78

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Solution

The fourth proportional to 53,588.82, 80,383.23 and 18,528.78 is: 27,793.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,588.82 : 80,383.23 = 18,528.78 : x
  2. Step 2: Convert to fraction form
    53,588.82/80,383.23 = 18,528.78/x
  3. Step 3: Cross multiply
    53,588.82x = 80,383.23 × 18,528.78
  4. Step 4: Simplify right side
    53,588.82x = 1,489,403,184.36
  5. Step 5: Solve for x
    x = 1,489,403,184.36/53,588.82
  6. Step 6: Final answer
    x = 27,793.17

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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.