Home / 51,938.76-71,674.31-30,425.82

Finding the Fourth Proportional to 51,938.76, 71,674.31 and 30,425.82

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Solution

The fourth proportional to 51,938.76, 71,674.31 and 30,425.82 is: 41,986.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,938.76 : 71,674.31 = 30,425.82 : x
  2. Step 2: Convert to fraction form
    51,938.76/71,674.31 = 30,425.82/x
  3. Step 3: Cross multiply
    51,938.76x = 71,674.31 × 30,425.82
  4. Step 4: Simplify right side
    51,938.76x = 2,180,749,654.68
  5. Step 5: Solve for x
    x = 2,180,749,654.68/51,938.76
  6. Step 6: Final answer
    x = 41,986.94

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1.5x scale

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.