Home / 34,200.21-51,305.46-12,009.68

Finding the Fourth Proportional to 34,200.21, 51,305.46 and 12,009.68

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Solution

The fourth proportional to 34,200.21, 51,305.46 and 12,009.68 is: 18,016.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,200.21 : 51,305.46 = 12,009.68 : x
  2. Step 2: Convert to fraction form
    34,200.21/51,305.46 = 12,009.68/x
  3. Step 3: Cross multiply
    34,200.21x = 51,305.46 × 12,009.68
  4. Step 4: Simplify right side
    34,200.21x = 616,162,403.83
  5. Step 5: Solve for x
    x = 616,162,403.83/34,200.21
  6. Step 6: Final answer
    x = 18,016.33

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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.