Home / 53,522.12-80,239.32-20,223.24

Finding the Fourth Proportional to 53,522.12, 80,239.32 and 20,223.24

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Solution

The fourth proportional to 53,522.12, 80,239.32 and 20,223.24 is: 30,318.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,522.12 : 80,239.32 = 20,223.24 : x
  2. Step 2: Convert to fraction form
    53,522.12/80,239.32 = 20,223.24/x
  3. Step 3: Cross multiply
    53,522.12x = 80,239.32 × 20,223.24
  4. Step 4: Simplify right side
    53,522.12x = 1,622,699,025.80
  5. Step 5: Solve for x
    x = 1,622,699,025.80/53,522.12
  6. Step 6: Final answer
    x = 30,318.29

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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.