Home / 53,409.36-80,119.44-18,344.28

Finding the Fourth Proportional to 53,409.36, 80,119.44 and 18,344.28

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Solution

The fourth proportional to 53,409.36, 80,119.44 and 18,344.28 is: 27,518.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,409.36 : 80,119.44 = 18,344.28 : x
  2. Step 2: Convert to fraction form
    53,409.36/80,119.44 = 18,344.28/x
  3. Step 3: Cross multiply
    53,409.36x = 80,119.44 × 18,344.28
  4. Step 4: Simplify right side
    53,409.36x = 1,469,733,440.80
  5. Step 5: Solve for x
    x = 1,469,733,440.80/53,409.36
  6. Step 6: Final answer
    x = 27,518.27

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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.