Home / 54,140.96-74,716.07-30,267.69

Finding the Fourth Proportional to 54,140.96, 74,716.07 and 30,267.69

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Solution

The fourth proportional to 54,140.96, 74,716.07 and 30,267.69 is: 41,770.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,140.96 : 74,716.07 = 30,267.69 : x
  2. Step 2: Convert to fraction form
    54,140.96/74,716.07 = 30,267.69/x
  3. Step 3: Cross multiply
    54,140.96x = 74,716.07 × 30,267.69
  4. Step 4: Simplify right side
    54,140.96x = 2,261,482,693.44
  5. Step 5: Solve for x
    x = 2,261,482,693.44/54,140.96
  6. Step 6: Final answer
    x = 41,770.28

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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.