Home / 53,313.99-79,883.46-18,234.51

Finding the Fourth Proportional to 53,313.99, 79,883.46 and 18,234.51

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Solution

The fourth proportional to 53,313.99, 79,883.46 and 18,234.51 is: 27,321.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,313.99 : 79,883.46 = 18,234.51 : x
  2. Step 2: Convert to fraction form
    53,313.99/79,883.46 = 18,234.51/x
  3. Step 3: Cross multiply
    53,313.99x = 79,883.46 × 18,234.51
  4. Step 4: Simplify right side
    53,313.99x = 1,456,635,750.20
  5. Step 5: Solve for x
    x = 1,456,635,750.20/53,313.99
  6. Step 6: Final answer
    x = 27,321.83

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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.