Home / 53,192.70-79,790.27-19,906.56

Finding the Fourth Proportional to 53,192.70, 79,790.27 and 19,906.56

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Solution

The fourth proportional to 53,192.70, 79,790.27 and 19,906.56 is: 29,860.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,192.70 : 79,790.27 = 19,906.56 : x
  2. Step 2: Convert to fraction form
    53,192.70/79,790.27 = 19,906.56/x
  3. Step 3: Cross multiply
    53,192.70x = 79,790.27 × 19,906.56
  4. Step 4: Simplify right side
    53,192.70x = 1,588,349,697.64
  5. Step 5: Solve for x
    x = 1,588,349,697.64/53,192.70
  6. Step 6: Final answer
    x = 29,860.29

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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.