Home / 51,604.90-71,221.35-30,386.14

Finding the Fourth Proportional to 51,604.90, 71,221.35 and 30,386.14

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Solution

The fourth proportional to 51,604.90, 71,221.35 and 30,386.14 is: 41,936.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,604.90 : 71,221.35 = 30,386.14 : x
  2. Step 2: Convert to fraction form
    51,604.90/71,221.35 = 30,386.14/x
  3. Step 3: Cross multiply
    51,604.90x = 71,221.35 × 30,386.14
  4. Step 4: Simplify right side
    51,604.90x = 2,164,141,912.09
  5. Step 5: Solve for x
    x = 2,164,141,912.09/51,604.90
  6. Step 6: Final answer
    x = 41,936.75

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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.