Home / 53,491.08-80,192.86-20,192.20

Finding the Fourth Proportional to 53,491.08, 80,192.86 and 20,192.20

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Solution

The fourth proportional to 53,491.08, 80,192.86 and 20,192.20 is: 30,271.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,491.08 : 80,192.86 = 20,192.20 : x
  2. Step 2: Convert to fraction form
    53,491.08/80,192.86 = 20,192.20/x
  3. Step 3: Cross multiply
    53,491.08x = 80,192.86 × 20,192.20
  4. Step 4: Simplify right side
    53,491.08x = 1,619,270,267.69
  5. Step 5: Solve for x
    x = 1,619,270,267.69/53,491.08
  6. Step 6: Final answer
    x = 30,271.78

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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.