Home / 37,231.21-51,379.58-20,235.79

Finding the Fourth Proportional to 37,231.21, 51,379.58 and 20,235.79

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Solution

The fourth proportional to 37,231.21, 51,379.58 and 20,235.79 is: 27,925.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,231.21 : 51,379.58 = 20,235.79 : x
  2. Step 2: Convert to fraction form
    37,231.21/51,379.58 = 20,235.79/x
  3. Step 3: Cross multiply
    37,231.21x = 51,379.58 × 20,235.79
  4. Step 4: Simplify right side
    37,231.21x = 1,039,706,391.17
  5. Step 5: Solve for x
    x = 1,039,706,391.17/37,231.21
  6. Step 6: Final answer
    x = 27,925.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.