Home / 39,283.44-58,905.72-20,560.56

Finding the Fourth Proportional to 39,283.44, 58,905.72 and 20,560.56

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Solution

The fourth proportional to 39,283.44, 58,905.72 and 20,560.56 is: 30,830.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,283.44 : 58,905.72 = 20,560.56 : x
  2. Step 2: Convert to fraction form
    39,283.44/58,905.72 = 20,560.56/x
  3. Step 3: Cross multiply
    39,283.44x = 58,905.72 × 20,560.56
  4. Step 4: Simplify right side
    39,283.44x = 1,211,134,590.40
  5. Step 5: Solve for x
    x = 1,211,134,590.40/39,283.44
  6. Step 6: Final answer
    x = 30,830.67

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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.