Home / 30,109.46-41,555.45-17,360.15

Finding the Fourth Proportional to 30,109.46, 41,555.45 and 17,360.15

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Solution

The fourth proportional to 30,109.46, 41,555.45 and 17,360.15 is: 23,959.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,109.46 : 41,555.45 = 17,360.15 : x
  2. Step 2: Convert to fraction form
    30,109.46/41,555.45 = 17,360.15/x
  3. Step 3: Cross multiply
    30,109.46x = 41,555.45 × 17,360.15
  4. Step 4: Simplify right side
    30,109.46x = 721,408,680.94
  5. Step 5: Solve for x
    x = 721,408,680.94/30,109.46
  6. Step 6: Final answer
    x = 23,959.54

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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.