Home / 34,719.05-47,912.31-18,803.52

Finding the Fourth Proportional to 34,719.05, 47,912.31 and 18,803.52

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Solution

The fourth proportional to 34,719.05, 47,912.31 and 18,803.52 is: 25,948.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,719.05 : 47,912.31 = 18,803.52 : x
  2. Step 2: Convert to fraction form
    34,719.05/47,912.31 = 18,803.52/x
  3. Step 3: Cross multiply
    34,719.05x = 47,912.31 × 18,803.52
  4. Step 4: Simplify right side
    34,719.05x = 900,920,079.33
  5. Step 5: Solve for x
    x = 900,920,079.33/34,719.05
  6. Step 6: Final answer
    x = 25,948.87

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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.