Home / 31,644.24-47,471.82-12,934.44

Finding the Fourth Proportional to 31,644.24, 47,471.82 and 12,934.44

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Solution

The fourth proportional to 31,644.24, 47,471.82 and 12,934.44 is: 19,403.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,644.24 : 47,471.82 = 12,934.44 : x
  2. Step 2: Convert to fraction form
    31,644.24/47,471.82 = 12,934.44/x
  3. Step 3: Cross multiply
    31,644.24x = 47,471.82 × 12,934.44
  4. Step 4: Simplify right side
    31,644.24x = 614,021,407.48
  5. Step 5: Solve for x
    x = 614,021,407.48/31,644.24
  6. Step 6: Final answer
    x = 19,403.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.