Home / 39,235.30-54,139.41-25,078.10

Finding the Fourth Proportional to 39,235.30, 54,139.41 and 25,078.10

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Solution

The fourth proportional to 39,235.30, 54,139.41 and 25,078.10 is: 34,604.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,235.30 : 54,139.41 = 25,078.10 : x
  2. Step 2: Convert to fraction form
    39,235.30/54,139.41 = 25,078.10/x
  3. Step 3: Cross multiply
    39,235.30x = 54,139.41 × 25,078.10
  4. Step 4: Simplify right side
    39,235.30x = 1,357,713,537.92
  5. Step 5: Solve for x
    x = 1,357,713,537.92/39,235.30
  6. Step 6: Final answer
    x = 34,604.39

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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.