Home / 54,296.69-74,932.43-30,431.03

Finding the Fourth Proportional to 54,296.69, 74,932.43 and 30,431.03

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Solution

The fourth proportional to 54,296.69, 74,932.43 and 30,431.03 is: 41,996.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,296.69 : 74,932.43 = 30,431.03 : x
  2. Step 2: Convert to fraction form
    54,296.69/74,932.43 = 30,431.03/x
  3. Step 3: Cross multiply
    54,296.69x = 74,932.43 × 30,431.03
  4. Step 4: Simplify right side
    54,296.69x = 2,280,270,498.49
  5. Step 5: Solve for x
    x = 2,280,270,498.49/54,296.69
  6. Step 6: Final answer
    x = 41,996.50

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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.