Home / 46,608.78-69,865.17-20,308.62

Finding the Fourth Proportional to 46,608.78, 69,865.17 and 20,308.62

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Solution

The fourth proportional to 46,608.78, 69,865.17 and 20,308.62 is: 30,442.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,608.78 : 69,865.17 = 20,308.62 : x
  2. Step 2: Convert to fraction form
    46,608.78/69,865.17 = 20,308.62/x
  3. Step 3: Cross multiply
    46,608.78x = 69,865.17 × 20,308.62
  4. Step 4: Simplify right side
    46,608.78x = 1,418,865,188.77
  5. Step 5: Solve for x
    x = 1,418,865,188.77/46,608.78
  6. Step 6: Final answer
    x = 30,442.02

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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.