Home / 34,705.56-47,893.48-18,789.67

Finding the Fourth Proportional to 34,705.56, 47,893.48 and 18,789.67

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Solution

The fourth proportional to 34,705.56, 47,893.48 and 18,789.67 is: 25,929.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,705.56 : 47,893.48 = 18,789.67 : x
  2. Step 2: Convert to fraction form
    34,705.56/47,893.48 = 18,789.67/x
  3. Step 3: Cross multiply
    34,705.56x = 47,893.48 × 18,789.67
  4. Step 4: Simplify right side
    34,705.56x = 899,902,697.24
  5. Step 5: Solve for x
    x = 899,902,697.24/34,705.56
  6. Step 6: Final answer
    x = 25,929.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.