Home / 52,868.97-72,955.11-30,207.09

Finding the Fourth Proportional to 52,868.97, 72,955.11 and 30,207.09

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Solution

The fourth proportional to 52,868.97, 72,955.11 and 30,207.09 is: 41,683.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,868.97 : 72,955.11 = 30,207.09 : x
  2. Step 2: Convert to fraction form
    52,868.97/72,955.11 = 30,207.09/x
  3. Step 3: Cross multiply
    52,868.97x = 72,955.11 × 30,207.09
  4. Step 4: Simplify right side
    52,868.97x = 2,203,761,573.73
  5. Step 5: Solve for x
    x = 2,203,761,573.73/52,868.97
  6. Step 6: Final answer
    x = 41,683.46

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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.