Home / 32,942.08-45,445.62-18,789.76

Finding the Fourth Proportional to 32,942.08, 45,445.62 and 18,789.76

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Solution

The fourth proportional to 32,942.08, 45,445.62 and 18,789.76 is: 25,921.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,942.08 : 45,445.62 = 18,789.76 : x
  2. Step 2: Convert to fraction form
    32,942.08/45,445.62 = 18,789.76/x
  3. Step 3: Cross multiply
    32,942.08x = 45,445.62 × 18,789.76
  4. Step 4: Simplify right side
    32,942.08x = 853,912,292.85
  5. Step 5: Solve for x
    x = 853,912,292.85/32,942.08
  6. Step 6: Final answer
    x = 25,921.63

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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.