Home / 51,712.58-71,371.08-31,581.04

Finding the Fourth Proportional to 51,712.58, 71,371.08 and 31,581.04

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Solution

The fourth proportional to 51,712.58, 71,371.08 and 31,581.04 is: 43,586.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,712.58 : 71,371.08 = 31,581.04 : x
  2. Step 2: Convert to fraction form
    51,712.58/71,371.08 = 31,581.04/x
  3. Step 3: Cross multiply
    51,712.58x = 71,371.08 × 31,581.04
  4. Step 4: Simplify right side
    51,712.58x = 2,253,972,853.37
  5. Step 5: Solve for x
    x = 2,253,972,853.37/51,712.58
  6. Step 6: Final answer
    x = 43,586.55

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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.