Home / 33,319.18-45,979.79-18,211.96

Finding the Fourth Proportional to 33,319.18, 45,979.79 and 18,211.96

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Solution

The fourth proportional to 33,319.18, 45,979.79 and 18,211.96 is: 25,132.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,319.18 : 45,979.79 = 18,211.96 : x
  2. Step 2: Convert to fraction form
    33,319.18/45,979.79 = 18,211.96/x
  3. Step 3: Cross multiply
    33,319.18x = 45,979.79 × 18,211.96
  4. Step 4: Simplify right side
    33,319.18x = 837,381,804.07
  5. Step 5: Solve for x
    x = 837,381,804.07/33,319.18
  6. Step 6: Final answer
    x = 25,132.12

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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.