Home / 47,754.29-71,645.76-19,276.59

Finding the Fourth Proportional to 47,754.29, 71,645.76 and 19,276.59

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Solution

The fourth proportional to 47,754.29, 71,645.76 and 19,276.59 is: 28,920.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,754.29 : 71,645.76 = 19,276.59 : x
  2. Step 2: Convert to fraction form
    47,754.29/71,645.76 = 19,276.59/x
  3. Step 3: Cross multiply
    47,754.29x = 71,645.76 × 19,276.59
  4. Step 4: Simplify right side
    47,754.29x = 1,381,085,940.76
  5. Step 5: Solve for x
    x = 1,381,085,940.76/47,754.29
  6. Step 6: Final answer
    x = 28,920.67

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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.