Home / 55,441.49-76,509.56-30,290.99

Finding the Fourth Proportional to 55,441.49, 76,509.56 and 30,290.99

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Solution

The fourth proportional to 55,441.49, 76,509.56 and 30,290.99 is: 41,801.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,441.49 : 76,509.56 = 30,290.99 : x
  2. Step 2: Convert to fraction form
    55,441.49/76,509.56 = 30,290.99/x
  3. Step 3: Cross multiply
    55,441.49x = 76,509.56 × 30,290.99
  4. Step 4: Simplify right side
    55,441.49x = 2,317,550,010.04
  5. Step 5: Solve for x
    x = 2,317,550,010.04/55,441.49
  6. Step 6: Final answer
    x = 41,801.73

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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.