Home / 54,589.27-75,334.66-30,716.79

Finding the Fourth Proportional to 54,589.27, 75,334.66 and 30,716.79

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Solution

The fourth proportional to 54,589.27, 75,334.66 and 30,716.79 is: 42,390.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,589.27 : 75,334.66 = 30,716.79 : x
  2. Step 2: Convert to fraction form
    54,589.27/75,334.66 = 30,716.79/x
  3. Step 3: Cross multiply
    54,589.27x = 75,334.66 × 30,716.79
  4. Step 4: Simplify right side
    54,589.27x = 2,314,038,930.94
  5. Step 5: Solve for x
    x = 2,314,038,930.94/54,589.27
  6. Step 6: Final answer
    x = 42,390.00

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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.