Home / 29,431.22-44,121.93-12,778.67

Finding the Fourth Proportional to 29,431.22, 44,121.93 and 12,778.67

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Solution

The fourth proportional to 29,431.22, 44,121.93 and 12,778.67 is: 19,157.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,431.22 : 44,121.93 = 12,778.67 : x
  2. Step 2: Convert to fraction form
    29,431.22/44,121.93 = 12,778.67/x
  3. Step 3: Cross multiply
    29,431.22x = 44,121.93 × 12,778.67
  4. Step 4: Simplify right side
    29,431.22x = 563,819,583.23
  5. Step 5: Solve for x
    x = 563,819,583.23/29,431.22
  6. Step 6: Final answer
    x = 19,157.19

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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.