Home / 47,911.24-71,817.90-16,720.84

Finding the Fourth Proportional to 47,911.24, 71,817.90 and 16,720.84

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Solution

The fourth proportional to 47,911.24, 71,817.90 and 16,720.84 is: 25,064.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,911.24 : 71,817.90 = 16,720.84 : x
  2. Step 2: Convert to fraction form
    47,911.24/71,817.90 = 16,720.84/x
  3. Step 3: Cross multiply
    47,911.24x = 71,817.90 × 16,720.84
  4. Step 4: Simplify right side
    47,911.24x = 1,200,855,615.04
  5. Step 5: Solve for x
    x = 1,200,855,615.04/47,911.24
  6. Step 6: Final answer
    x = 25,064.17

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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.