Home / 38,142.45-57,190.50-17,078.58

Finding the Fourth Proportional to 38,142.45, 57,190.50 and 17,078.58

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Solution

The fourth proportional to 38,142.45, 57,190.50 and 17,078.58 is: 25,607.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,142.45 : 57,190.50 = 17,078.58 : x
  2. Step 2: Convert to fraction form
    38,142.45/57,190.50 = 17,078.58/x
  3. Step 3: Cross multiply
    38,142.45x = 57,190.50 × 17,078.58
  4. Step 4: Simplify right side
    38,142.45x = 976,732,529.49
  5. Step 5: Solve for x
    x = 976,732,529.49/38,142.45
  6. Step 6: Final answer
    x = 25,607.49

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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.