Home / 50,666.60-75,958.94-21,106.67

Finding the Fourth Proportional to 50,666.60, 75,958.94 and 21,106.67

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Solution

The fourth proportional to 50,666.60, 75,958.94 and 21,106.67 is: 31,642.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,666.60 : 75,958.94 = 21,106.67 : x
  2. Step 2: Convert to fraction form
    50,666.60/75,958.94 = 21,106.67/x
  3. Step 3: Cross multiply
    50,666.60x = 75,958.94 × 21,106.67
  4. Step 4: Simplify right side
    50,666.60x = 1,603,240,174.60
  5. Step 5: Solve for x
    x = 1,603,240,174.60/50,666.60
  6. Step 6: Final answer
    x = 31,642.94

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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.