Home / 49,819.48-74,677.30-21,731.98

Finding the Fourth Proportional to 49,819.48, 74,677.30 and 21,731.98

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Solution

The fourth proportional to 49,819.48, 74,677.30 and 21,731.98 is: 32,575.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,819.48 : 74,677.30 = 21,731.98 : x
  2. Step 2: Convert to fraction form
    49,819.48/74,677.30 = 21,731.98/x
  3. Step 3: Cross multiply
    49,819.48x = 74,677.30 × 21,731.98
  4. Step 4: Simplify right side
    49,819.48x = 1,622,885,590.05
  5. Step 5: Solve for x
    x = 1,622,885,590.05/49,819.48
  6. Step 6: Final answer
    x = 32,575.32

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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.