Home / 51,999.71-71,759.39-28,126.44

Finding the Fourth Proportional to 51,999.71, 71,759.39 and 28,126.44

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Solution

The fourth proportional to 51,999.71, 71,759.39 and 28,126.44 is: 38,814.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,999.71 : 71,759.39 = 28,126.44 : x
  2. Step 2: Convert to fraction form
    51,999.71/71,759.39 = 28,126.44/x
  3. Step 3: Cross multiply
    51,999.71x = 71,759.39 × 28,126.44
  4. Step 4: Simplify right side
    51,999.71x = 2,018,336,036.64
  5. Step 5: Solve for x
    x = 2,018,336,036.64/51,999.71
  6. Step 6: Final answer
    x = 38,814.37

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1.5x scale

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.