Home / 31,767.81-43,848.18-19,824.09

Finding the Fourth Proportional to 31,767.81, 43,848.18 and 19,824.09

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Solution

The fourth proportional to 31,767.81, 43,848.18 and 19,824.09 is: 27,362.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,767.81 : 43,848.18 = 19,824.09 : x
  2. Step 2: Convert to fraction form
    31,767.81/43,848.18 = 19,824.09/x
  3. Step 3: Cross multiply
    31,767.81x = 43,848.18 × 19,824.09
  4. Step 4: Simplify right side
    31,767.81x = 869,250,266.66
  5. Step 5: Solve for x
    x = 869,250,266.66/31,767.81
  6. Step 6: Final answer
    x = 27,362.61

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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.