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Finding the Fourth Proportional to 49,487.40, 74,231.10 and 46,636.20

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Solution

The fourth proportional to 49,487.40, 74,231.10 and 46,636.20 is: 69,954.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,487.40 : 74,231.10 = 46,636.20 : x
  2. Step 2: Convert to fraction form
    49,487.40/74,231.10 = 46,636.20/x
  3. Step 3: Cross multiply
    49,487.40x = 74,231.10 × 46,636.20
  4. Step 4: Simplify right side
    49,487.40x = 3,461,856,425.82
  5. Step 5: Solve for x
    x = 3,461,856,425.82/49,487.40
  6. Step 6: Final answer
    x = 69,954.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.