Home / 54,319.45-74,960.60-30,446.12

Finding the Fourth Proportional to 54,319.45, 74,960.60 and 30,446.12

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Solution

The fourth proportional to 54,319.45, 74,960.60 and 30,446.12 is: 42,015.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,319.45 : 74,960.60 = 30,446.12 : x
  2. Step 2: Convert to fraction form
    54,319.45/74,960.60 = 30,446.12/x
  3. Step 3: Cross multiply
    54,319.45x = 74,960.60 × 30,446.12
  4. Step 4: Simplify right side
    54,319.45x = 2,282,259,270.64
  5. Step 5: Solve for x
    x = 2,282,259,270.64/54,319.45
  6. Step 6: Final answer
    x = 42,015.51

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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.