Home / 54,343.04-74,993.39-30,469.71

Finding the Fourth Proportional to 54,343.04, 74,993.39 and 30,469.71

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Solution

The fourth proportional to 54,343.04, 74,993.39 and 30,469.71 is: 42,048.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,343.04 : 74,993.39 = 30,469.71 : x
  2. Step 2: Convert to fraction form
    54,343.04/74,993.39 = 30,469.71/x
  3. Step 3: Cross multiply
    54,343.04x = 74,993.39 × 30,469.71
  4. Step 4: Simplify right side
    54,343.04x = 2,285,026,845.22
  5. Step 5: Solve for x
    x = 2,285,026,845.22/54,343.04
  6. Step 6: Final answer
    x = 42,048.20

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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.