Home / 55,958.56-77,220.48-30,806.44

Finding the Fourth Proportional to 55,958.56, 77,220.48 and 30,806.44

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Solution

The fourth proportional to 55,958.56, 77,220.48 and 30,806.44 is: 42,511.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,958.56 : 77,220.48 = 30,806.44 : x
  2. Step 2: Convert to fraction form
    55,958.56/77,220.48 = 30,806.44/x
  3. Step 3: Cross multiply
    55,958.56x = 77,220.48 × 30,806.44
  4. Step 4: Simplify right side
    55,958.56x = 2,378,888,083.89
  5. Step 5: Solve for x
    x = 2,378,888,083.89/55,958.56
  6. Step 6: Final answer
    x = 42,511.60

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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.