Home / 51,531.54-71,145.18-39,571.62

Finding the Fourth Proportional to 51,531.54, 71,145.18 and 39,571.62

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Solution

The fourth proportional to 51,531.54, 71,145.18 and 39,571.62 is: 54,633.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,531.54 : 71,145.18 = 39,571.62 : x
  2. Step 2: Convert to fraction form
    51,531.54/71,145.18 = 39,571.62/x
  3. Step 3: Cross multiply
    51,531.54x = 71,145.18 × 39,571.62
  4. Step 4: Simplify right side
    51,531.54x = 2,815,330,027.79
  5. Step 5: Solve for x
    x = 2,815,330,027.79/51,531.54
  6. Step 6: Final answer
    x = 54,633.14

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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.