Home / 53,469.24-80,120.64-20,171.10

Finding the Fourth Proportional to 53,469.24, 80,120.64 and 20,171.10

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Solution

The fourth proportional to 53,469.24, 80,120.64 and 20,171.10 is: 30,225.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,469.24 : 80,120.64 = 20,171.10 : x
  2. Step 2: Convert to fraction form
    53,469.24/80,120.64 = 20,171.10/x
  3. Step 3: Cross multiply
    53,469.24x = 80,120.64 × 20,171.10
  4. Step 4: Simplify right side
    53,469.24x = 1,616,121,441.50
  5. Step 5: Solve for x
    x = 1,616,121,441.50/53,469.24
  6. Step 6: Final answer
    x = 30,225.26

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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.