Home / 47,417.72-71,137.16-17,835.80

Finding the Fourth Proportional to 47,417.72, 71,137.16 and 17,835.80

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Solution

The fourth proportional to 47,417.72, 71,137.16 and 17,835.80 is: 26,757.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,417.72 : 71,137.16 = 17,835.80 : x
  2. Step 2: Convert to fraction form
    47,417.72/71,137.16 = 17,835.80/x
  3. Step 3: Cross multiply
    47,417.72x = 71,137.16 × 17,835.80
  4. Step 4: Simplify right side
    47,417.72x = 1,268,787,713.46
  5. Step 5: Solve for x
    x = 1,268,787,713.46/47,417.72
  6. Step 6: Final answer
    x = 26,757.67

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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.