Home / 54,327.85-74,972.69-30,455.53

Finding the Fourth Proportional to 54,327.85, 74,972.69 and 30,455.53

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Solution

The fourth proportional to 54,327.85, 74,972.69 and 30,455.53 is: 42,028.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,327.85 : 74,972.69 = 30,455.53 : x
  2. Step 2: Convert to fraction form
    54,327.85/74,972.69 = 30,455.53/x
  3. Step 3: Cross multiply
    54,327.85x = 74,972.69 × 30,455.53
  4. Step 4: Simplify right side
    54,327.85x = 2,283,332,783.97
  5. Step 5: Solve for x
    x = 2,283,332,783.97/54,327.85
  6. Step 6: Final answer
    x = 42,028.77

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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.