Home / 52,630.05-78,976.20-19,373.48

Finding the Fourth Proportional to 52,630.05, 78,976.20 and 19,373.48

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Solution

The fourth proportional to 52,630.05, 78,976.20 and 19,373.48 is: 29,071.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,630.05 : 78,976.20 = 19,373.48 : x
  2. Step 2: Convert to fraction form
    52,630.05/78,976.20 = 19,373.48/x
  3. Step 3: Cross multiply
    52,630.05x = 78,976.20 × 19,373.48
  4. Step 4: Simplify right side
    52,630.05x = 1,530,043,436.30
  5. Step 5: Solve for x
    x = 1,530,043,436.30/52,630.05
  6. Step 6: Final answer
    x = 29,071.67

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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.