Home / 37,104.60-55,662.30-12,138.60

Finding the Fourth Proportional to 37,104.60, 55,662.30 and 12,138.60

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Solution

The fourth proportional to 37,104.60, 55,662.30 and 12,138.60 is: 18,209.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,104.60 : 55,662.30 = 12,138.60 : x
  2. Step 2: Convert to fraction form
    37,104.60/55,662.30 = 12,138.60/x
  3. Step 3: Cross multiply
    37,104.60x = 55,662.30 × 12,138.60
  4. Step 4: Simplify right side
    37,104.60x = 675,662,394.78
  5. Step 5: Solve for x
    x = 675,662,394.78/37,104.60
  6. Step 6: Final answer
    x = 18,209.67

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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.