Home / 33,135.36-45,726.44-18,027.78

Finding the Fourth Proportional to 33,135.36, 45,726.44 and 18,027.78

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Solution

The fourth proportional to 33,135.36, 45,726.44 and 18,027.78 is: 24,878.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,135.36 : 45,726.44 = 18,027.78 : x
  2. Step 2: Convert to fraction form
    33,135.36/45,726.44 = 18,027.78/x
  3. Step 3: Cross multiply
    33,135.36x = 45,726.44 × 18,027.78
  4. Step 4: Simplify right side
    33,135.36x = 824,346,110.36
  5. Step 5: Solve for x
    x = 824,346,110.36/33,135.36
  6. Step 6: Final answer
    x = 24,878.14

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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.