Home / 45,061.05-67,449.86-30,938.43

Finding the Fourth Proportional to 45,061.05, 67,449.86 and 30,938.43

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Solution

The fourth proportional to 45,061.05, 67,449.86 and 30,938.43 is: 46,310.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,061.05 : 67,449.86 = 30,938.43 : x
  2. Step 2: Convert to fraction form
    45,061.05/67,449.86 = 30,938.43/x
  3. Step 3: Cross multiply
    45,061.05x = 67,449.86 × 30,938.43
  4. Step 4: Simplify right side
    45,061.05x = 2,086,792,617.43
  5. Step 5: Solve for x
    x = 2,086,792,617.43/45,061.05
  6. Step 6: Final answer
    x = 46,310.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.