Home / 31,654.44-47,486.94-14,123.61

Finding the Fourth Proportional to 31,654.44, 47,486.94 and 14,123.61

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Solution

The fourth proportional to 31,654.44, 47,486.94 and 14,123.61 is: 21,187.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,654.44 : 47,486.94 = 14,123.61 : x
  2. Step 2: Convert to fraction form
    31,654.44/47,486.94 = 14,123.61/x
  3. Step 3: Cross multiply
    31,654.44x = 47,486.94 × 14,123.61
  4. Step 4: Simplify right side
    31,654.44x = 670,687,020.65
  5. Step 5: Solve for x
    x = 670,687,020.65/31,654.44
  6. Step 6: Final answer
    x = 21,187.77

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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.