Home / 51,743.06-77,615.07-20,586.26

Finding the Fourth Proportional to 51,743.06, 77,615.07 and 20,586.26

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Solution

The fourth proportional to 51,743.06, 77,615.07 and 20,586.26 is: 30,879.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,743.06 : 77,615.07 = 20,586.26 : x
  2. Step 2: Convert to fraction form
    51,743.06/77,615.07 = 20,586.26/x
  3. Step 3: Cross multiply
    51,743.06x = 77,615.07 × 20,586.26
  4. Step 4: Simplify right side
    51,743.06x = 1,597,804,010.94
  5. Step 5: Solve for x
    x = 1,597,804,010.94/51,743.06
  6. Step 6: Final answer
    x = 30,879.58

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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.