Home / 51,393.20-77,075.40-16,343.60

Finding the Fourth Proportional to 51,393.20, 77,075.40 and 16,343.60

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Solution

The fourth proportional to 51,393.20, 77,075.40 and 16,343.60 is: 24,510.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,393.20 : 77,075.40 = 16,343.60 : x
  2. Step 2: Convert to fraction form
    51,393.20/77,075.40 = 16,343.60/x
  3. Step 3: Cross multiply
    51,393.20x = 77,075.40 × 16,343.60
  4. Step 4: Simplify right side
    51,393.20x = 1,259,689,507.44
  5. Step 5: Solve for x
    x = 1,259,689,507.44/51,393.20
  6. Step 6: Final answer
    x = 24,510.82

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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.