Home / 34,716.40-47,908.06-18,800.71

Finding the Fourth Proportional to 34,716.40, 47,908.06 and 18,800.71

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Solution

The fourth proportional to 34,716.40, 47,908.06 and 18,800.71 is: 25,944.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,716.40 : 47,908.06 = 18,800.71 : x
  2. Step 2: Convert to fraction form
    34,716.40/47,908.06 = 18,800.71/x
  3. Step 3: Cross multiply
    34,716.40x = 47,908.06 × 18,800.71
  4. Step 4: Simplify right side
    34,716.40x = 900,705,542.72
  5. Step 5: Solve for x
    x = 900,705,542.72/34,716.40
  6. Step 6: Final answer
    x = 25,944.67

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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.