Home / 53,008.36-79,512.54-19,727.56

Finding the Fourth Proportional to 53,008.36, 79,512.54 and 19,727.56

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Solution

The fourth proportional to 53,008.36, 79,512.54 and 19,727.56 is: 29,591.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,008.36 : 79,512.54 = 19,727.56 : x
  2. Step 2: Convert to fraction form
    53,008.36/79,512.54 = 19,727.56/x
  3. Step 3: Cross multiply
    53,008.36x = 79,512.54 × 19,727.56
  4. Step 4: Simplify right side
    53,008.36x = 1,568,588,403.60
  5. Step 5: Solve for x
    x = 1,568,588,403.60/53,008.36
  6. Step 6: Final answer
    x = 29,591.34

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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.