Home / 55,889.46-77,126.31-30,396.33

Finding the Fourth Proportional to 55,889.46, 77,126.31 and 30,396.33

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Solution

The fourth proportional to 55,889.46, 77,126.31 and 30,396.33 is: 41,946.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,889.46 : 77,126.31 = 30,396.33 : x
  2. Step 2: Convert to fraction form
    55,889.46/77,126.31 = 30,396.33/x
  3. Step 3: Cross multiply
    55,889.46x = 77,126.31 × 30,396.33
  4. Step 4: Simplify right side
    55,889.46x = 2,344,356,770.44
  5. Step 5: Solve for x
    x = 2,344,356,770.44/55,889.46
  6. Step 6: Final answer
    x = 41,946.31

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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.