Home / 54,343.58-74,993.18-30,470.18

Finding the Fourth Proportional to 54,343.58, 74,993.18 and 30,470.18

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Solution

The fourth proportional to 54,343.58, 74,993.18 and 30,470.18 is: 42,048.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,343.58 : 74,993.18 = 30,470.18 : x
  2. Step 2: Convert to fraction form
    54,343.58/74,993.18 = 30,470.18/x
  3. Step 3: Cross multiply
    54,343.58x = 74,993.18 × 30,470.18
  4. Step 4: Simplify right side
    54,343.58x = 2,285,055,693.37
  5. Step 5: Solve for x
    x = 2,285,055,693.37/54,343.58
  6. Step 6: Final answer
    x = 42,048.31

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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.