Home / 39,072.36-53,876.44-28,295.92

Finding the Fourth Proportional to 39,072.36, 53,876.44 and 28,295.92

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Solution

The fourth proportional to 39,072.36, 53,876.44 and 28,295.92 is: 39,016.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,072.36 : 53,876.44 = 28,295.92 : x
  2. Step 2: Convert to fraction form
    39,072.36/53,876.44 = 28,295.92/x
  3. Step 3: Cross multiply
    39,072.36x = 53,876.44 × 28,295.92
  4. Step 4: Simplify right side
    39,072.36x = 1,524,483,436.12
  5. Step 5: Solve for x
    x = 1,524,483,436.12/39,072.36
  6. Step 6: Final answer
    x = 39,016.93

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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.