Home / 31,474.37-43,440.45-18,045.71

Finding the Fourth Proportional to 31,474.37, 43,440.45 and 18,045.71

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Solution

The fourth proportional to 31,474.37, 43,440.45 and 18,045.71 is: 24,906.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,474.37 : 43,440.45 = 18,045.71 : x
  2. Step 2: Convert to fraction form
    31,474.37/43,440.45 = 18,045.71/x
  3. Step 3: Cross multiply
    31,474.37x = 43,440.45 × 18,045.71
  4. Step 4: Simplify right side
    31,474.37x = 783,913,871.57
  5. Step 5: Solve for x
    x = 783,913,871.57/31,474.37
  6. Step 6: Final answer
    x = 24,906.42

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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.