Home / 39,276.56-54,208.68-25,128.92

Finding the Fourth Proportional to 39,276.56, 54,208.68 and 25,128.92

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Solution

The fourth proportional to 39,276.56, 54,208.68 and 25,128.92 is: 34,682.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,276.56 : 54,208.68 = 25,128.92 : x
  2. Step 2: Convert to fraction form
    39,276.56/54,208.68 = 25,128.92/x
  3. Step 3: Cross multiply
    39,276.56x = 54,208.68 × 25,128.92
  4. Step 4: Simplify right side
    39,276.56x = 1,362,205,583.03
  5. Step 5: Solve for x
    x = 1,362,205,583.03/39,276.56
  6. Step 6: Final answer
    x = 34,682.41

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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.