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Finding the Fourth Proportional to 29,676.92, 44,515.27 and 12,146.76

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Solution

The fourth proportional to 29,676.92, 44,515.27 and 12,146.76 is: 18,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,676.92 : 44,515.27 = 12,146.76 : x
  2. Step 2: Convert to fraction form
    29,676.92/44,515.27 = 12,146.76/x
  3. Step 3: Cross multiply
    29,676.92x = 44,515.27 × 12,146.76
  4. Step 4: Simplify right side
    29,676.92x = 540,716,316.21
  5. Step 5: Solve for x
    x = 540,716,316.21/29,676.92
  6. Step 6: Final answer
    x = 18,220.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.