Home / 57,771.34-86,660.10-16,221.58

Finding the Fourth Proportional to 57,771.34, 86,660.10 and 16,221.58

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Solution

The fourth proportional to 57,771.34, 86,660.10 and 16,221.58 is: 24,333.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,771.34 : 86,660.10 = 16,221.58 : x
  2. Step 2: Convert to fraction form
    57,771.34/86,660.10 = 16,221.58/x
  3. Step 3: Cross multiply
    57,771.34x = 86,660.10 × 16,221.58
  4. Step 4: Simplify right side
    57,771.34x = 1,405,763,744.96
  5. Step 5: Solve for x
    x = 1,405,763,744.96/57,771.34
  6. Step 6: Final answer
    x = 24,333.24

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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.