Home / 33,228.19-45,854.33-18,120.88

Finding the Fourth Proportional to 33,228.19, 45,854.33 and 18,120.88

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Solution

The fourth proportional to 33,228.19, 45,854.33 and 18,120.88 is: 25,006.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,228.19 : 45,854.33 = 18,120.88 : x
  2. Step 2: Convert to fraction form
    33,228.19/45,854.33 = 18,120.88/x
  3. Step 3: Cross multiply
    33,228.19x = 45,854.33 × 18,120.88
  4. Step 4: Simplify right side
    33,228.19x = 830,920,811.41
  5. Step 5: Solve for x
    x = 830,920,811.41/33,228.19
  6. Step 6: Final answer
    x = 25,006.50

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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.