Home / 36,981.26-55,466.65-12,021.67

Finding the Fourth Proportional to 36,981.26, 55,466.65 and 12,021.67

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Solution

The fourth proportional to 36,981.26, 55,466.65 and 12,021.67 is: 18,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,981.26 : 55,466.65 = 12,021.67 : x
  2. Step 2: Convert to fraction form
    36,981.26/55,466.65 = 12,021.67/x
  3. Step 3: Cross multiply
    36,981.26x = 55,466.65 × 12,021.67
  4. Step 4: Simplify right side
    36,981.26x = 666,801,500.86
  5. Step 5: Solve for x
    x = 666,801,500.86/36,981.26
  6. Step 6: Final answer
    x = 18,030.80

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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.