Home / 51,571.89-77,357.90-14,132.28

Finding the Fourth Proportional to 51,571.89, 77,357.90 and 14,132.28

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Solution

The fourth proportional to 51,571.89, 77,357.90 and 14,132.28 is: 21,198.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,571.89 : 77,357.90 = 14,132.28 : x
  2. Step 2: Convert to fraction form
    51,571.89/77,357.90 = 14,132.28/x
  3. Step 3: Cross multiply
    51,571.89x = 77,357.90 × 14,132.28
  4. Step 4: Simplify right side
    51,571.89x = 1,093,243,503.01
  5. Step 5: Solve for x
    x = 1,093,243,503.01/51,571.89
  6. Step 6: Final answer
    x = 21,198.44

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1.5x scale

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.