Home / 37,140.94-55,693.14-12,176.38

Finding the Fourth Proportional to 37,140.94, 55,693.14 and 12,176.38

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Solution

The fourth proportional to 37,140.94, 55,693.14 and 12,176.38 is: 18,258.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,140.94 : 55,693.14 = 12,176.38 : x
  2. Step 2: Convert to fraction form
    37,140.94/55,693.14 = 12,176.38/x
  3. Step 3: Cross multiply
    37,140.94x = 55,693.14 × 12,176.38
  4. Step 4: Simplify right side
    37,140.94x = 678,140,836.03
  5. Step 5: Solve for x
    x = 678,140,836.03/37,140.94
  6. Step 6: Final answer
    x = 18,258.58

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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.