Home / 53,511.07-80,216.96-19,758.44

Finding the Fourth Proportional to 53,511.07, 80,216.96 and 19,758.44

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Solution

The fourth proportional to 53,511.07, 80,216.96 and 19,758.44 is: 29,619.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,511.07 : 80,216.96 = 19,758.44 : x
  2. Step 2: Convert to fraction form
    53,511.07/80,216.96 = 19,758.44/x
  3. Step 3: Cross multiply
    53,511.07x = 80,216.96 × 19,758.44
  4. Step 4: Simplify right side
    53,511.07x = 1,584,962,261.27
  5. Step 5: Solve for x
    x = 1,584,962,261.27/53,511.07
  6. Step 6: Final answer
    x = 29,619.34

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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.