Home / 40,974.14-61,499.48-21,266.54

Finding the Fourth Proportional to 40,974.14, 61,499.48 and 21,266.54

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Solution

The fourth proportional to 40,974.14, 61,499.48 and 21,266.54 is: 31,919.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,974.14 : 61,499.48 = 21,266.54 : x
  2. Step 2: Convert to fraction form
    40,974.14/61,499.48 = 21,266.54/x
  3. Step 3: Cross multiply
    40,974.14x = 61,499.48 × 21,266.54
  4. Step 4: Simplify right side
    40,974.14x = 1,307,880,737.57
  5. Step 5: Solve for x
    x = 1,307,880,737.57/40,974.14
  6. Step 6: Final answer
    x = 31,919.67

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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.