Home / 20,698.84-31,048.56-5,907.77

Finding the Fourth Proportional to 20,698.84, 31,048.56 and 5,907.77

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Solution

The fourth proportional to 20,698.84, 31,048.56 and 5,907.77 is: 8,861.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,698.84 : 31,048.56 = 5,907.77 : x
  2. Step 2: Convert to fraction form
    20,698.84/31,048.56 = 5,907.77/x
  3. Step 3: Cross multiply
    20,698.84x = 31,048.56 × 5,907.77
  4. Step 4: Simplify right side
    20,698.84x = 183,427,596.07
  5. Step 5: Solve for x
    x = 183,427,596.07/20,698.84
  6. Step 6: Final answer
    x = 8,861.73

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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.