Home / 47,580.98-71,414.76-21,280.82

Finding the Fourth Proportional to 47,580.98, 71,414.76 and 21,280.82

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Solution

The fourth proportional to 47,580.98, 71,414.76 and 21,280.82 is: 31,940.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,580.98 : 71,414.76 = 21,280.82 : x
  2. Step 2: Convert to fraction form
    47,580.98/71,414.76 = 21,280.82/x
  3. Step 3: Cross multiply
    47,580.98x = 71,414.76 × 21,280.82
  4. Step 4: Simplify right side
    47,580.98x = 1,519,764,652.90
  5. Step 5: Solve for x
    x = 1,519,764,652.90/47,580.98
  6. Step 6: Final answer
    x = 31,940.59

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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.