Home / 47,685.04-71,511.36-16,513

Finding the Fourth Proportional to 47,685.04, 71,511.36 and 16,513

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Solution

The fourth proportional to 47,685.04, 71,511.36 and 16,513 is: 24,763.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,685.04 : 71,511.36 = 16,513 : x
  2. Step 2: Convert to fraction form
    47,685.04/71,511.36 = 16,513/x
  3. Step 3: Cross multiply
    47,685.04x = 71,511.36 × 16,513
  4. Step 4: Simplify right side
    47,685.04x = 1,180,867,087.68
  5. Step 5: Solve for x
    x = 1,180,867,087.68/47,685.04
  6. Step 6: Final answer
    x = 24,763.89

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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.