Home / 30,182.72-41,680.51-19,446.44

Finding the Fourth Proportional to 30,182.72, 41,680.51 and 19,446.44

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Solution

The fourth proportional to 30,182.72, 41,680.51 and 19,446.44 is: 26,854.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,182.72 : 41,680.51 = 19,446.44 : x
  2. Step 2: Convert to fraction form
    30,182.72/41,680.51 = 19,446.44/x
  3. Step 3: Cross multiply
    30,182.72x = 41,680.51 × 19,446.44
  4. Step 4: Simplify right side
    30,182.72x = 810,537,279.87
  5. Step 5: Solve for x
    x = 810,537,279.87/30,182.72
  6. Step 6: Final answer
    x = 26,854.35

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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.