Home / 39,006.54-53,828.84-21,101.58

Finding the Fourth Proportional to 39,006.54, 53,828.84 and 21,101.58

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Solution

The fourth proportional to 39,006.54, 53,828.84 and 21,101.58 is: 29,120.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,006.54 : 53,828.84 = 21,101.58 : x
  2. Step 2: Convert to fraction form
    39,006.54/53,828.84 = 21,101.58/x
  3. Step 3: Cross multiply
    39,006.54x = 53,828.84 × 21,101.58
  4. Step 4: Simplify right side
    39,006.54x = 1,135,873,626.32
  5. Step 5: Solve for x
    x = 1,135,873,626.32/39,006.54
  6. Step 6: Final answer
    x = 29,120.08

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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.