Home / 43,086.28-64,645.90-16,809.34

Finding the Fourth Proportional to 43,086.28, 64,645.90 and 16,809.34

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Solution

The fourth proportional to 43,086.28, 64,645.90 and 16,809.34 is: 25,220.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,086.28 : 64,645.90 = 16,809.34 : x
  2. Step 2: Convert to fraction form
    43,086.28/64,645.90 = 16,809.34/x
  3. Step 3: Cross multiply
    43,086.28x = 64,645.90 × 16,809.34
  4. Step 4: Simplify right side
    43,086.28x = 1,086,654,912.71
  5. Step 5: Solve for x
    x = 1,086,654,912.71/43,086.28
  6. Step 6: Final answer
    x = 25,220.44

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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.