Home / 33,257.36-45,854.33-20,660.24

Finding the Fourth Proportional to 33,257.36, 45,854.33 and 20,660.24

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Solution

The fourth proportional to 33,257.36, 45,854.33 and 20,660.24 is: 28,485.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,257.36 : 45,854.33 = 20,660.24 : x
  2. Step 2: Convert to fraction form
    33,257.36/45,854.33 = 20,660.24/x
  3. Step 3: Cross multiply
    33,257.36x = 45,854.33 × 20,660.24
  4. Step 4: Simplify right side
    33,257.36x = 947,361,474.17
  5. Step 5: Solve for x
    x = 947,361,474.17/33,257.36
  6. Step 6: Final answer
    x = 28,485.77

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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.