Home / 39,804.48-54,930.96-23,047.20

Finding the Fourth Proportional to 39,804.48, 54,930.96 and 23,047.20

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Solution

The fourth proportional to 39,804.48, 54,930.96 and 23,047.20 is: 31,805.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,804.48 : 54,930.96 = 23,047.20 : x
  2. Step 2: Convert to fraction form
    39,804.48/54,930.96 = 23,047.20/x
  3. Step 3: Cross multiply
    39,804.48x = 54,930.96 × 23,047.20
  4. Step 4: Simplify right side
    39,804.48x = 1,266,004,821.31
  5. Step 5: Solve for x
    x = 1,266,004,821.31/39,804.48
  6. Step 6: Final answer
    x = 31,805.59

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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.