Home / 33,228.18-45,858.78-18,890.16

Finding the Fourth Proportional to 33,228.18, 45,858.78 and 18,890.16

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Solution

The fourth proportional to 33,228.18, 45,858.78 and 18,890.16 is: 26,070.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,228.18 : 45,858.78 = 18,890.16 : x
  2. Step 2: Convert to fraction form
    33,228.18/45,858.78 = 18,890.16/x
  3. Step 3: Cross multiply
    33,228.18x = 45,858.78 × 18,890.16
  4. Step 4: Simplify right side
    33,228.18x = 866,279,691.60
  5. Step 5: Solve for x
    x = 866,279,691.60/33,228.18
  6. Step 6: Final answer
    x = 26,070.63

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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.