Home / 33,012.70-45,548.74-19,572.78

Finding the Fourth Proportional to 33,012.70, 45,548.74 and 19,572.78

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Solution

The fourth proportional to 33,012.70, 45,548.74 and 19,572.78 is: 27,005.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,012.70 : 45,548.74 = 19,572.78 : x
  2. Step 2: Convert to fraction form
    33,012.70/45,548.74 = 19,572.78/x
  3. Step 3: Cross multiply
    33,012.70x = 45,548.74 × 19,572.78
  4. Step 4: Simplify right side
    33,012.70x = 891,515,141.69
  5. Step 5: Solve for x
    x = 891,515,141.69/33,012.70
  6. Step 6: Final answer
    x = 27,005.22

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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.