Home / 37,670.66-56,507.07-21,021.38

Finding the Fourth Proportional to 37,670.66, 56,507.07 and 21,021.38

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Solution

The fourth proportional to 37,670.66, 56,507.07 and 21,021.38 is: 31,532.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,670.66 : 56,507.07 = 21,021.38 : x
  2. Step 2: Convert to fraction form
    37,670.66/56,507.07 = 21,021.38/x
  3. Step 3: Cross multiply
    37,670.66x = 56,507.07 × 21,021.38
  4. Step 4: Simplify right side
    37,670.66x = 1,187,856,591.16
  5. Step 5: Solve for x
    x = 1,187,856,591.16/37,670.66
  6. Step 6: Final answer
    x = 31,532.67

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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.