Home / 49,817.85-74,674.87-21,730.36

Finding the Fourth Proportional to 49,817.85, 74,674.87 and 21,730.36

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Solution

The fourth proportional to 49,817.85, 74,674.87 and 21,730.36 is: 32,572.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,817.85 : 74,674.87 = 21,730.36 : x
  2. Step 2: Convert to fraction form
    49,817.85/74,674.87 = 21,730.36/x
  3. Step 3: Cross multiply
    49,817.85x = 74,674.87 × 21,730.36
  4. Step 4: Simplify right side
    49,817.85x = 1,622,711,567.04
  5. Step 5: Solve for x
    x = 1,622,711,567.04/49,817.85
  6. Step 6: Final answer
    x = 32,572.89

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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.