Home / 31,902.19-47,872.65-11,926.23

Finding the Fourth Proportional to 31,902.19, 47,872.65 and 11,926.23

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Solution

The fourth proportional to 31,902.19, 47,872.65 and 11,926.23 is: 17,896.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,902.19 : 47,872.65 = 11,926.23 : x
  2. Step 2: Convert to fraction form
    31,902.19/47,872.65 = 11,926.23/x
  3. Step 3: Cross multiply
    31,902.19x = 47,872.65 × 11,926.23
  4. Step 4: Simplify right side
    31,902.19x = 570,940,234.61
  5. Step 5: Solve for x
    x = 570,940,234.61/31,902.19
  6. Step 6: Final answer
    x = 17,896.58

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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.