Home / 51,958.64-77,825.18-31,907.28

Finding the Fourth Proportional to 51,958.64, 77,825.18 and 31,907.28

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Solution

The fourth proportional to 51,958.64, 77,825.18 and 31,907.28 is: 47,791.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,958.64 : 77,825.18 = 31,907.28 : x
  2. Step 2: Convert to fraction form
    51,958.64/77,825.18 = 31,907.28/x
  3. Step 3: Cross multiply
    51,958.64x = 77,825.18 × 31,907.28
  4. Step 4: Simplify right side
    51,958.64x = 2,483,190,180.92
  5. Step 5: Solve for x
    x = 2,483,190,180.92/51,958.64
  6. Step 6: Final answer
    x = 47,791.67

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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.