Home / 51,949.21-71,690.23-28,075.82

Finding the Fourth Proportional to 51,949.21, 71,690.23 and 28,075.82

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Solution

The fourth proportional to 51,949.21, 71,690.23 and 28,075.82 is: 38,744.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,949.21 : 71,690.23 = 28,075.82 : x
  2. Step 2: Convert to fraction form
    51,949.21/71,690.23 = 28,075.82/x
  3. Step 3: Cross multiply
    51,949.21x = 71,690.23 × 28,075.82
  4. Step 4: Simplify right side
    51,949.21x = 2,012,761,993.24
  5. Step 5: Solve for x
    x = 2,012,761,993.24/51,949.21
  6. Step 6: Final answer
    x = 38,744.81

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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.