Home / 54,168.55-74,756.39-30,297.43

Finding the Fourth Proportional to 54,168.55, 74,756.39 and 30,297.43

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Solution

The fourth proportional to 54,168.55, 74,756.39 and 30,297.43 is: 41,812.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,168.55 : 74,756.39 = 30,297.43 : x
  2. Step 2: Convert to fraction form
    54,168.55/74,756.39 = 30,297.43/x
  3. Step 3: Cross multiply
    54,168.55x = 74,756.39 × 30,297.43
  4. Step 4: Simplify right side
    54,168.55x = 2,264,926,493.08
  5. Step 5: Solve for x
    x = 2,264,926,493.08/54,168.55
  6. Step 6: Final answer
    x = 41,812.57

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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.