Home / 31,474.15-43,432.93-18,044.60

Finding the Fourth Proportional to 31,474.15, 43,432.93 and 18,044.60

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Solution

The fourth proportional to 31,474.15, 43,432.93 and 18,044.60 is: 24,900.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,474.15 : 43,432.93 = 18,044.60 : x
  2. Step 2: Convert to fraction form
    31,474.15/43,432.93 = 18,044.60/x
  3. Step 3: Cross multiply
    31,474.15x = 43,432.93 × 18,044.60
  4. Step 4: Simplify right side
    31,474.15x = 783,729,848.68
  5. Step 5: Solve for x
    x = 783,729,848.68/31,474.15
  6. Step 6: Final answer
    x = 24,900.75

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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.