Home / 53,533.30-80,216.55-20,235.20

Finding the Fourth Proportional to 53,533.30, 80,216.55 and 20,235.20

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Solution

The fourth proportional to 53,533.30, 80,216.55 and 20,235.20 is: 30,321.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,533.30 : 80,216.55 = 20,235.20 : x
  2. Step 2: Convert to fraction form
    53,533.30/80,216.55 = 20,235.20/x
  3. Step 3: Cross multiply
    53,533.30x = 80,216.55 × 20,235.20
  4. Step 4: Simplify right side
    53,533.30x = 1,623,197,932.56
  5. Step 5: Solve for x
    x = 1,623,197,932.56/53,533.30
  6. Step 6: Final answer
    x = 30,321.28

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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.