Home / 54,213.76-74,816.66-30,340.37

Finding the Fourth Proportional to 54,213.76, 74,816.66 and 30,340.37

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Solution

The fourth proportional to 54,213.76, 74,816.66 and 30,340.37 is: 41,870.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,213.76 : 74,816.66 = 30,340.37 : x
  2. Step 2: Convert to fraction form
    54,213.76/74,816.66 = 30,340.37/x
  3. Step 3: Cross multiply
    54,213.76x = 74,816.66 × 30,340.37
  4. Step 4: Simplify right side
    54,213.76x = 2,269,965,409.46
  5. Step 5: Solve for x
    x = 2,269,965,409.46/54,213.76
  6. Step 6: Final answer
    x = 41,870.65

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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.