Home / 36,015.98-49,703.29-20,103.39

Finding the Fourth Proportional to 36,015.98, 49,703.29 and 20,103.39

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Solution

The fourth proportional to 36,015.98, 49,703.29 and 20,103.39 is: 27,743.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,015.98 : 49,703.29 = 20,103.39 : x
  2. Step 2: Convert to fraction form
    36,015.98/49,703.29 = 20,103.39/x
  3. Step 3: Cross multiply
    36,015.98x = 49,703.29 × 20,103.39
  4. Step 4: Simplify right side
    36,015.98x = 999,204,572.89
  5. Step 5: Solve for x
    x = 999,204,572.89/36,015.98
  6. Step 6: Final answer
    x = 27,743.37

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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.