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Finding the Fourth Proportional to 35,235.32, 52,819.86 and 11,845.40

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Solution

The fourth proportional to 35,235.32, 52,819.86 and 11,845.40 is: 17,756.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,235.32 : 52,819.86 = 11,845.40 : x
  2. Step 2: Convert to fraction form
    35,235.32/52,819.86 = 11,845.40/x
  3. Step 3: Cross multiply
    35,235.32x = 52,819.86 × 11,845.40
  4. Step 4: Simplify right side
    35,235.32x = 625,672,369.64
  5. Step 5: Solve for x
    x = 625,672,369.64/35,235.32
  6. Step 6: Final answer
    x = 17,756.97

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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.