Home / 54,189.36-74,774.16-30,313.44

Finding the Fourth Proportional to 54,189.36, 74,774.16 and 30,313.44

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Solution

The fourth proportional to 54,189.36, 74,774.16 and 30,313.44 is: 41,828.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,189.36 : 74,774.16 = 30,313.44 : x
  2. Step 2: Convert to fraction form
    54,189.36/74,774.16 = 30,313.44/x
  3. Step 3: Cross multiply
    54,189.36x = 74,774.16 × 30,313.44
  4. Step 4: Simplify right side
    54,189.36x = 2,266,662,012.71
  5. Step 5: Solve for x
    x = 2,266,662,012.71/54,189.36
  6. Step 6: Final answer
    x = 41,828.54

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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.