Home / 51,336.56-77,011.32-18,048.80

Finding the Fourth Proportional to 51,336.56, 77,011.32 and 18,048.80

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Solution

The fourth proportional to 51,336.56, 77,011.32 and 18,048.80 is: 27,075.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,336.56 : 77,011.32 = 18,048.80 : x
  2. Step 2: Convert to fraction form
    51,336.56/77,011.32 = 18,048.80/x
  3. Step 3: Cross multiply
    51,336.56x = 77,011.32 × 18,048.80
  4. Step 4: Simplify right side
    51,336.56x = 1,389,961,912.42
  5. Step 5: Solve for x
    x = 1,389,961,912.42/51,336.56
  6. Step 6: Final answer
    x = 27,075.48

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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.