Home / 43,100.28-64,629.60-15,019.67

Finding the Fourth Proportional to 43,100.28, 64,629.60 and 15,019.67

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Solution

The fourth proportional to 43,100.28, 64,629.60 and 15,019.67 is: 22,522.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,100.28 : 64,629.60 = 15,019.67 : x
  2. Step 2: Convert to fraction form
    43,100.28/64,629.60 = 15,019.67/x
  3. Step 3: Cross multiply
    43,100.28x = 64,629.60 × 15,019.67
  4. Step 4: Simplify right side
    43,100.28x = 970,715,369.48
  5. Step 5: Solve for x
    x = 970,715,369.48/43,100.28
  6. Step 6: Final answer
    x = 22,522.25

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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.