Home / 47,638.62-71,457.93-16,456.86

Finding the Fourth Proportional to 47,638.62, 71,457.93 and 16,456.86

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Solution

The fourth proportional to 47,638.62, 71,457.93 and 16,456.86 is: 24,685.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,638.62 : 71,457.93 = 16,456.86 : x
  2. Step 2: Convert to fraction form
    47,638.62/71,457.93 = 16,456.86/x
  3. Step 3: Cross multiply
    47,638.62x = 71,457.93 × 16,456.86
  4. Step 4: Simplify right side
    47,638.62x = 1,175,973,149.90
  5. Step 5: Solve for x
    x = 1,175,973,149.90/47,638.62
  6. Step 6: Final answer
    x = 24,685.29

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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.