Home / 53,520.46-80,219.94-18,431.26

Finding the Fourth Proportional to 53,520.46, 80,219.94 and 18,431.26

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Solution

The fourth proportional to 53,520.46, 80,219.94 and 18,431.26 is: 27,625.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,520.46 : 80,219.94 = 18,431.26 : x
  2. Step 2: Convert to fraction form
    53,520.46/80,219.94 = 18,431.26/x
  3. Step 3: Cross multiply
    53,520.46x = 80,219.94 × 18,431.26
  4. Step 4: Simplify right side
    53,520.46x = 1,478,554,571.32
  5. Step 5: Solve for x
    x = 1,478,554,571.32/53,520.46
  6. Step 6: Final answer
    x = 27,625.97

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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.