Home / 47,019.11-70,533.21-13,738.42

Finding the Fourth Proportional to 47,019.11, 70,533.21 and 13,738.42

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Solution

The fourth proportional to 47,019.11, 70,533.21 and 13,738.42 is: 20,608.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,019.11 : 70,533.21 = 13,738.42 : x
  2. Step 2: Convert to fraction form
    47,019.11/70,533.21 = 13,738.42/x
  3. Step 3: Cross multiply
    47,019.11x = 70,533.21 × 13,738.42
  4. Step 4: Simplify right side
    47,019.11x = 969,014,510.26
  5. Step 5: Solve for x
    x = 969,014,510.26/47,019.11
  6. Step 6: Final answer
    x = 20,608.95

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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.