Home / 53,591.85-80,342.42-20,293.56

Finding the Fourth Proportional to 53,591.85, 80,342.42 and 20,293.56

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Solution

The fourth proportional to 53,591.85, 80,342.42 and 20,293.56 is: 30,423.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,591.85 : 80,342.42 = 20,293.56 : x
  2. Step 2: Convert to fraction form
    53,591.85/80,342.42 = 20,293.56/x
  3. Step 3: Cross multiply
    53,591.85x = 80,342.42 × 20,293.56
  4. Step 4: Simplify right side
    53,591.85x = 1,630,433,619.35
  5. Step 5: Solve for x
    x = 1,630,433,619.35/53,591.85
  6. Step 6: Final answer
    x = 30,423.16

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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.