Home / 34,144.66-47,122.73-20,719.32

Finding the Fourth Proportional to 34,144.66, 47,122.73 and 20,719.32

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Solution

The fourth proportional to 34,144.66, 47,122.73 and 20,719.32 is: 28,594.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,144.66 : 47,122.73 = 20,719.32 : x
  2. Step 2: Convert to fraction form
    34,144.66/47,122.73 = 20,719.32/x
  3. Step 3: Cross multiply
    34,144.66x = 47,122.73 × 20,719.32
  4. Step 4: Simplify right side
    34,144.66x = 976,350,922.14
  5. Step 5: Solve for x
    x = 976,350,922.14/34,144.66
  6. Step 6: Final answer
    x = 28,594.54

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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.