Home / 31,898.72-43,974.60-22,437.92

Finding the Fourth Proportional to 31,898.72, 43,974.60 and 22,437.92

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Solution

The fourth proportional to 31,898.72, 43,974.60 and 22,437.92 is: 30,932.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,898.72 : 43,974.60 = 22,437.92 : x
  2. Step 2: Convert to fraction form
    31,898.72/43,974.60 = 22,437.92/x
  3. Step 3: Cross multiply
    31,898.72x = 43,974.60 × 22,437.92
  4. Step 4: Simplify right side
    31,898.72x = 986,698,336.96
  5. Step 5: Solve for x
    x = 986,698,336.96/31,898.72
  6. Step 6: Final answer
    x = 30,932.23

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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.