Home / 39,768.50-54,835.44-25,409.36

Finding the Fourth Proportional to 39,768.50, 54,835.44 and 25,409.36

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Solution

The fourth proportional to 39,768.50, 54,835.44 and 25,409.36 is: 35,036.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,768.50 : 54,835.44 = 25,409.36 : x
  2. Step 2: Convert to fraction form
    39,768.50/54,835.44 = 25,409.36/x
  3. Step 3: Cross multiply
    39,768.50x = 54,835.44 × 25,409.36
  4. Step 4: Simplify right side
    39,768.50x = 1,393,333,435.72
  5. Step 5: Solve for x
    x = 1,393,333,435.72/39,768.50
  6. Step 6: Final answer
    x = 35,036.11

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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.