Home / 49,732.90-74,551.42-31,913.31

Finding the Fourth Proportional to 49,732.90, 74,551.42 and 31,913.31

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Solution

The fourth proportional to 49,732.90, 74,551.42 and 31,913.31 is: 47,839.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,732.90 : 74,551.42 = 31,913.31 : x
  2. Step 2: Convert to fraction form
    49,732.90/74,551.42 = 31,913.31/x
  3. Step 3: Cross multiply
    49,732.90x = 74,551.42 × 31,913.31
  4. Step 4: Simplify right side
    49,732.90x = 2,379,182,577.40
  5. Step 5: Solve for x
    x = 2,379,182,577.40/49,732.90
  6. Step 6: Final answer
    x = 47,839.21

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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.