Home / 29,812.78-41,141.50-16,384.60

Finding the Fourth Proportional to 29,812.78, 41,141.50 and 16,384.60

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Solution

The fourth proportional to 29,812.78, 41,141.50 and 16,384.60 is: 22,610.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,812.78 : 41,141.50 = 16,384.60 : x
  2. Step 2: Convert to fraction form
    29,812.78/41,141.50 = 16,384.60/x
  3. Step 3: Cross multiply
    29,812.78x = 41,141.50 × 16,384.60
  4. Step 4: Simplify right side
    29,812.78x = 674,087,020.90
  5. Step 5: Solve for x
    x = 674,087,020.90/29,812.78
  6. Step 6: Final answer
    x = 22,610.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.