Home / 54,050.54-74,589.89-30,178.07

Finding the Fourth Proportional to 54,050.54, 74,589.89 and 30,178.07

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Solution

The fourth proportional to 54,050.54, 74,589.89 and 30,178.07 is: 41,645.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,050.54 : 74,589.89 = 30,178.07 : x
  2. Step 2: Convert to fraction form
    54,050.54/74,589.89 = 30,178.07/x
  3. Step 3: Cross multiply
    54,050.54x = 74,589.89 × 30,178.07
  4. Step 4: Simplify right side
    54,050.54x = 2,250,978,762.46
  5. Step 5: Solve for x
    x = 2,250,978,762.46/54,050.54
  6. Step 6: Final answer
    x = 41,645.81

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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.