Home / 39,187.83-54,087.81-25,760.32

Finding the Fourth Proportional to 39,187.83, 54,087.81 and 25,760.32

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Solution

The fourth proportional to 39,187.83, 54,087.81 and 25,760.32 is: 35,554.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,187.83 : 54,087.81 = 25,760.32 : x
  2. Step 2: Convert to fraction form
    39,187.83/54,087.81 = 25,760.32/x
  3. Step 3: Cross multiply
    39,187.83x = 54,087.81 × 25,760.32
  4. Step 4: Simplify right side
    39,187.83x = 1,393,319,293.70
  5. Step 5: Solve for x
    x = 1,393,319,293.70/39,187.83
  6. Step 6: Final answer
    x = 35,554.90

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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.