Home / 49,459.44-74,192.56-19,877.30

Finding the Fourth Proportional to 49,459.44, 74,192.56 and 19,877.30

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Solution

The fourth proportional to 49,459.44, 74,192.56 and 19,877.30 is: 29,817.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,459.44 : 74,192.56 = 19,877.30 : x
  2. Step 2: Convert to fraction form
    49,459.44/74,192.56 = 19,877.30/x
  3. Step 3: Cross multiply
    49,459.44x = 74,192.56 × 19,877.30
  4. Step 4: Simplify right side
    49,459.44x = 1,474,747,772.89
  5. Step 5: Solve for x
    x = 1,474,747,772.89/49,459.44
  6. Step 6: Final answer
    x = 29,817.32

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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.