Home / 33,146.82-45,743.13-18,999.77

Finding the Fourth Proportional to 33,146.82, 45,743.13 and 18,999.77

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Solution

The fourth proportional to 33,146.82, 45,743.13 and 18,999.77 is: 26,219.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,146.82 : 45,743.13 = 18,999.77 : x
  2. Step 2: Convert to fraction form
    33,146.82/45,743.13 = 18,999.77/x
  3. Step 3: Cross multiply
    33,146.82x = 45,743.13 × 18,999.77
  4. Step 4: Simplify right side
    33,146.82x = 869,108,720.36
  5. Step 5: Solve for x
    x = 869,108,720.36/33,146.82
  6. Step 6: Final answer
    x = 26,219.97

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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.