Home / 29,820.35-41,152.19-16,391.84

Finding the Fourth Proportional to 29,820.35, 41,152.19 and 16,391.84

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Solution

The fourth proportional to 29,820.35, 41,152.19 and 16,391.84 is: 22,620.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,820.35 : 41,152.19 = 16,391.84 : x
  2. Step 2: Convert to fraction form
    29,820.35/41,152.19 = 16,391.84/x
  3. Step 3: Cross multiply
    29,820.35x = 41,152.19 × 16,391.84
  4. Step 4: Simplify right side
    29,820.35x = 674,559,826.41
  5. Step 5: Solve for x
    x = 674,559,826.41/29,820.35
  6. Step 6: Final answer
    x = 22,620.79

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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.