Home / 33,021.96-45,519.74-20,251.46

Finding the Fourth Proportional to 33,021.96, 45,519.74 and 20,251.46

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Solution

The fourth proportional to 33,021.96, 45,519.74 and 20,251.46 is: 27,916.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,021.96 : 45,519.74 = 20,251.46 : x
  2. Step 2: Convert to fraction form
    33,021.96/45,519.74 = 20,251.46/x
  3. Step 3: Cross multiply
    33,021.96x = 45,519.74 × 20,251.46
  4. Step 4: Simplify right side
    33,021.96x = 921,841,193.82
  5. Step 5: Solve for x
    x = 921,841,193.82/33,021.96
  6. Step 6: Final answer
    x = 27,916.00

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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.