Home / 49,747.10-74,511.30-39,905.60

Finding the Fourth Proportional to 49,747.10, 74,511.30 and 39,905.60

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Solution

The fourth proportional to 49,747.10, 74,511.30 and 39,905.60 is: 59,770.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,747.10 : 74,511.30 = 39,905.60 : x
  2. Step 2: Convert to fraction form
    49,747.10/74,511.30 = 39,905.60/x
  3. Step 3: Cross multiply
    49,747.10x = 74,511.30 × 39,905.60
  4. Step 4: Simplify right side
    49,747.10x = 2,973,418,133.28
  5. Step 5: Solve for x
    x = 2,973,418,133.28/49,747.10
  6. Step 6: Final answer
    x = 59,770.68

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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.