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Finding the Fourth Proportional to 45,653.52, 68,357.22 and 29,819.34

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Solution

The fourth proportional to 45,653.52, 68,357.22 and 29,819.34 is: 44,648.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,653.52 : 68,357.22 = 29,819.34 : x
  2. Step 2: Convert to fraction form
    45,653.52/68,357.22 = 29,819.34/x
  3. Step 3: Cross multiply
    45,653.52x = 68,357.22 × 29,819.34
  4. Step 4: Simplify right side
    45,653.52x = 2,038,367,184.63
  5. Step 5: Solve for x
    x = 2,038,367,184.63/45,653.52
  6. Step 6: Final answer
    x = 44,648.63

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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.