Home / 34,989.44-48,301.61-20,644.38

Finding the Fourth Proportional to 34,989.44, 48,301.61 and 20,644.38

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Solution

The fourth proportional to 34,989.44, 48,301.61 and 20,644.38 is: 28,498.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,989.44 : 48,301.61 = 20,644.38 : x
  2. Step 2: Convert to fraction form
    34,989.44/48,301.61 = 20,644.38/x
  3. Step 3: Cross multiply
    34,989.44x = 48,301.61 × 20,644.38
  4. Step 4: Simplify right side
    34,989.44x = 997,156,688.23
  5. Step 5: Solve for x
    x = 997,156,688.23/34,989.44
  6. Step 6: Final answer
    x = 28,498.79

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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.