Home / 51,868.82-71,580.39-31,725.34

Finding the Fourth Proportional to 51,868.82, 71,580.39 and 31,725.34

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Solution

The fourth proportional to 51,868.82, 71,580.39 and 31,725.34 is: 43,781.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,868.82 : 71,580.39 = 31,725.34 : x
  2. Step 2: Convert to fraction form
    51,868.82/71,580.39 = 31,725.34/x
  3. Step 3: Cross multiply
    51,868.82x = 71,580.39 × 31,725.34
  4. Step 4: Simplify right side
    51,868.82x = 2,270,912,210.08
  5. Step 5: Solve for x
    x = 2,270,912,210.08/51,868.82
  6. Step 6: Final answer
    x = 43,781.84

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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.