Home / 51,706.56-77,555.52-20,533.44

Finding the Fourth Proportional to 51,706.56, 77,555.52 and 20,533.44

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Solution

The fourth proportional to 51,706.56, 77,555.52 and 20,533.44 is: 30,798.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,706.56 : 77,555.52 = 20,533.44 : x
  2. Step 2: Convert to fraction form
    51,706.56/77,555.52 = 20,533.44/x
  3. Step 3: Cross multiply
    51,706.56x = 77,555.52 × 20,533.44
  4. Step 4: Simplify right side
    51,706.56x = 1,592,481,616.59
  5. Step 5: Solve for x
    x = 1,592,481,616.59/51,706.56
  6. Step 6: Final answer
    x = 30,798.44

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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.