Home / 31,474.86-43,439.46-18,043.52

Finding the Fourth Proportional to 31,474.86, 43,439.46 and 18,043.52

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Solution

The fourth proportional to 31,474.86, 43,439.46 and 18,043.52 is: 24,902.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,474.86 : 43,439.46 = 18,043.52 : x
  2. Step 2: Convert to fraction form
    31,474.86/43,439.46 = 18,043.52/x
  3. Step 3: Cross multiply
    31,474.86x = 43,439.46 × 18,043.52
  4. Step 4: Simplify right side
    31,474.86x = 783,800,686.49
  5. Step 5: Solve for x
    x = 783,800,686.49/31,474.86
  6. Step 6: Final answer
    x = 24,902.44

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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.