Home / 44,308.90-66,463.23-18,991.99

Finding the Fourth Proportional to 44,308.90, 66,463.23 and 18,991.99

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Solution

The fourth proportional to 44,308.90, 66,463.23 and 18,991.99 is: 28,487.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,308.90 : 66,463.23 = 18,991.99 : x
  2. Step 2: Convert to fraction form
    44,308.90/66,463.23 = 18,991.99/x
  3. Step 3: Cross multiply
    44,308.90x = 66,463.23 × 18,991.99
  4. Step 4: Simplify right side
    44,308.90x = 1,262,269,168.01
  5. Step 5: Solve for x
    x = 1,262,269,168.01/44,308.90
  6. Step 6: Final answer
    x = 28,487.94

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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.