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Finding the Fourth Proportional to 51,044.64, 70,441.83 and 29,819.40

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Solution

The fourth proportional to 51,044.64, 70,441.83 and 29,819.40 is: 41,150.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,044.64 : 70,441.83 = 29,819.40 : x
  2. Step 2: Convert to fraction form
    51,044.64/70,441.83 = 29,819.40/x
  3. Step 3: Cross multiply
    51,044.64x = 70,441.83 × 29,819.40
  4. Step 4: Simplify right side
    51,044.64x = 2,100,533,105.50
  5. Step 5: Solve for x
    x = 2,100,533,105.50/51,044.64
  6. Step 6: Final answer
    x = 41,150.90

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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.