Home / 33,330.50-45,996.64-19,902.94

Finding the Fourth Proportional to 33,330.50, 45,996.64 and 19,902.94

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Solution

The fourth proportional to 33,330.50, 45,996.64 and 19,902.94 is: 27,466.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,330.50 : 45,996.64 = 19,902.94 : x
  2. Step 2: Convert to fraction form
    33,330.50/45,996.64 = 19,902.94/x
  3. Step 3: Cross multiply
    33,330.50x = 45,996.64 × 19,902.94
  4. Step 4: Simplify right side
    33,330.50x = 915,468,366.12
  5. Step 5: Solve for x
    x = 915,468,366.12/33,330.50
  6. Step 6: Final answer
    x = 27,466.39

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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.