Home / 51,388.39-70,927.41-31,241

Finding the Fourth Proportional to 51,388.39, 70,927.41 and 31,241

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Solution

The fourth proportional to 51,388.39, 70,927.41 and 31,241 is: 43,119.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,388.39 : 70,927.41 = 31,241 : x
  2. Step 2: Convert to fraction form
    51,388.39/70,927.41 = 31,241/x
  3. Step 3: Cross multiply
    51,388.39x = 70,927.41 × 31,241
  4. Step 4: Simplify right side
    51,388.39x = 2,215,843,215.81
  5. Step 5: Solve for x
    x = 2,215,843,215.81/51,388.39
  6. Step 6: Final answer
    x = 43,119.53

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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.