Home / 49,265.75-67,965.14-30,146.45

Finding the Fourth Proportional to 49,265.75, 67,965.14 and 30,146.45

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Solution

The fourth proportional to 49,265.75, 67,965.14 and 30,146.45 is: 41,588.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,265.75 : 67,965.14 = 30,146.45 : x
  2. Step 2: Convert to fraction form
    49,265.75/67,965.14 = 30,146.45/x
  3. Step 3: Cross multiply
    49,265.75x = 67,965.14 × 30,146.45
  4. Step 4: Simplify right side
    49,265.75x = 2,048,907,430.29
  5. Step 5: Solve for x
    x = 2,048,907,430.29/49,265.75
  6. Step 6: Final answer
    x = 41,588.88

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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.