Home / 39,571.83-54,609.18-21,666.96

Finding the Fourth Proportional to 39,571.83, 54,609.18 and 21,666.96

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Solution

The fourth proportional to 39,571.83, 54,609.18 and 21,666.96 is: 29,900.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,571.83 : 54,609.18 = 21,666.96 : x
  2. Step 2: Convert to fraction form
    39,571.83/54,609.18 = 21,666.96/x
  3. Step 3: Cross multiply
    39,571.83x = 54,609.18 × 21,666.96
  4. Step 4: Simplify right side
    39,571.83x = 1,183,214,918.69
  5. Step 5: Solve for x
    x = 1,183,214,918.69/39,571.83
  6. Step 6: Final answer
    x = 29,900.43

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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.