Home / 29,212.20-43,857.12-19,756.28

Finding the Fourth Proportional to 29,212.20, 43,857.12 and 19,756.28

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Solution

The fourth proportional to 29,212.20, 43,857.12 and 19,756.28 is: 29,660.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,212.20 : 43,857.12 = 19,756.28 : x
  2. Step 2: Convert to fraction form
    29,212.20/43,857.12 = 19,756.28/x
  3. Step 3: Cross multiply
    29,212.20x = 43,857.12 × 19,756.28
  4. Step 4: Simplify right side
    29,212.20x = 866,453,542.71
  5. Step 5: Solve for x
    x = 866,453,542.71/29,212.20
  6. Step 6: Final answer
    x = 29,660.67

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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.