Home / 54,350.87-75,003.03-30,477.02

Finding the Fourth Proportional to 54,350.87, 75,003.03 and 30,477.02

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Solution

The fourth proportional to 54,350.87, 75,003.03 and 30,477.02 is: 42,057.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,350.87 : 75,003.03 = 30,477.02 : x
  2. Step 2: Convert to fraction form
    54,350.87/75,003.03 = 30,477.02/x
  3. Step 3: Cross multiply
    54,350.87x = 75,003.03 × 30,477.02
  4. Step 4: Simplify right side
    54,350.87x = 2,285,868,470.36
  5. Step 5: Solve for x
    x = 2,285,868,470.36/54,350.87
  6. Step 6: Final answer
    x = 42,057.63

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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.