Home / 36,029.25-54,006.20-12,328.84

Finding the Fourth Proportional to 36,029.25, 54,006.20 and 12,328.84

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Solution

The fourth proportional to 36,029.25, 54,006.20 and 12,328.84 is: 18,480.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,029.25 : 54,006.20 = 12,328.84 : x
  2. Step 2: Convert to fraction form
    36,029.25/54,006.20 = 12,328.84/x
  3. Step 3: Cross multiply
    36,029.25x = 54,006.20 × 12,328.84
  4. Step 4: Simplify right side
    36,029.25x = 665,833,798.81
  5. Step 5: Solve for x
    x = 665,833,798.81/36,029.25
  6. Step 6: Final answer
    x = 18,480.37

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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.