Home / 55,629.39-76,768.07-30,135.18

Finding the Fourth Proportional to 55,629.39, 76,768.07 and 30,135.18

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Solution

The fourth proportional to 55,629.39, 76,768.07 and 30,135.18 is: 41,586.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,629.39 : 76,768.07 = 30,135.18 : x
  2. Step 2: Convert to fraction form
    55,629.39/76,768.07 = 30,135.18/x
  3. Step 3: Cross multiply
    55,629.39x = 76,768.07 × 30,135.18
  4. Step 4: Simplify right side
    55,629.39x = 2,313,419,457.03
  5. Step 5: Solve for x
    x = 2,313,419,457.03/55,629.39
  6. Step 6: Final answer
    x = 41,586.28

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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.