Home / 53,467.56-80,189.04-20,191.08

Finding the Fourth Proportional to 53,467.56, 80,189.04 and 20,191.08

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Solution

The fourth proportional to 53,467.56, 80,189.04 and 20,191.08 is: 30,281.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,467.56 : 80,189.04 = 20,191.08 : x
  2. Step 2: Convert to fraction form
    53,467.56/80,189.04 = 20,191.08/x
  3. Step 3: Cross multiply
    53,467.56x = 80,189.04 × 20,191.08
  4. Step 4: Simplify right side
    53,467.56x = 1,619,103,321.76
  5. Step 5: Solve for x
    x = 1,619,103,321.76/53,467.56
  6. Step 6: Final answer
    x = 30,281.98

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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.