Home / 34,452.34-47,541.31-20,845.45

Finding the Fourth Proportional to 34,452.34, 47,541.31 and 20,845.45

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Solution

The fourth proportional to 34,452.34, 47,541.31 and 20,845.45 is: 28,764.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,452.34 : 47,541.31 = 20,845.45 : x
  2. Step 2: Convert to fraction form
    34,452.34/47,541.31 = 20,845.45/x
  3. Step 3: Cross multiply
    34,452.34x = 47,541.31 × 20,845.45
  4. Step 4: Simplify right side
    34,452.34x = 991,020,000.54
  5. Step 5: Solve for x
    x = 991,020,000.54/34,452.34
  6. Step 6: Final answer
    x = 28,764.95

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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.