Home / 36,823.40-55,235.10-20,234.60

Finding the Fourth Proportional to 36,823.40, 55,235.10 and 20,234.60

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Solution

The fourth proportional to 36,823.40, 55,235.10 and 20,234.60 is: 30,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,823.40 : 55,235.10 = 20,234.60 : x
  2. Step 2: Convert to fraction form
    36,823.40/55,235.10 = 20,234.60/x
  3. Step 3: Cross multiply
    36,823.40x = 55,235.10 × 20,234.60
  4. Step 4: Simplify right side
    36,823.40x = 1,117,660,154.46
  5. Step 5: Solve for x
    x = 1,117,660,154.46/36,823.40
  6. Step 6: Final answer
    x = 30,351.90

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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.