Home / 53,575.23-80,363.45-20,286.26

Finding the Fourth Proportional to 53,575.23, 80,363.45 and 20,286.26

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Solution

The fourth proportional to 53,575.23, 80,363.45 and 20,286.26 is: 30,429.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,575.23 : 80,363.45 = 20,286.26 : x
  2. Step 2: Convert to fraction form
    53,575.23/80,363.45 = 20,286.26/x
  3. Step 3: Cross multiply
    53,575.23x = 80,363.45 × 20,286.26
  4. Step 4: Simplify right side
    53,575.23x = 1,630,273,490.10
  5. Step 5: Solve for x
    x = 1,630,273,490.10/53,575.23
  6. Step 6: Final answer
    x = 30,429.61

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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.