Home / 57,479.55-86,214.20-20,033.25

Finding the Fourth Proportional to 57,479.55, 86,214.20 and 20,033.25

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Solution

The fourth proportional to 57,479.55, 86,214.20 and 20,033.25 is: 30,048.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,479.55 : 86,214.20 = 20,033.25 : x
  2. Step 2: Convert to fraction form
    57,479.55/86,214.20 = 20,033.25/x
  3. Step 3: Cross multiply
    57,479.55x = 86,214.20 × 20,033.25
  4. Step 4: Simplify right side
    57,479.55x = 1,727,150,521.98
  5. Step 5: Solve for x
    x = 1,727,150,521.98/57,479.55
  6. Step 6: Final answer
    x = 30,048.09

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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.