Home / 33,117.74-45,700.62-18,971.49

Finding the Fourth Proportional to 33,117.74, 45,700.62 and 18,971.49

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Solution

The fourth proportional to 33,117.74, 45,700.62 and 18,971.49 is: 26,179.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,117.74 : 45,700.62 = 18,971.49 : x
  2. Step 2: Convert to fraction form
    33,117.74/45,700.62 = 18,971.49/x
  3. Step 3: Cross multiply
    33,117.74x = 45,700.62 × 18,971.49
  4. Step 4: Simplify right side
    33,117.74x = 867,008,855.32
  5. Step 5: Solve for x
    x = 867,008,855.32/33,117.74
  6. Step 6: Final answer
    x = 26,179.59

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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.