Home / 53,296.92-79,945.38-18,236.88

Finding the Fourth Proportional to 53,296.92, 79,945.38 and 18,236.88

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Solution

The fourth proportional to 53,296.92, 79,945.38 and 18,236.88 is: 27,355.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,296.92 : 79,945.38 = 18,236.88 : x
  2. Step 2: Convert to fraction form
    53,296.92/79,945.38 = 18,236.88/x
  3. Step 3: Cross multiply
    53,296.92x = 79,945.38 × 18,236.88
  4. Step 4: Simplify right side
    53,296.92x = 1,457,954,301.61
  5. Step 5: Solve for x
    x = 1,457,954,301.61/53,296.92
  6. Step 6: Final answer
    x = 27,355.32

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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.