Home / 57,318.39-85,979.79-27,317.16

Finding the Fourth Proportional to 57,318.39, 85,979.79 and 27,317.16

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Solution

The fourth proportional to 57,318.39, 85,979.79 and 27,317.16 is: 40,976.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,318.39 : 85,979.79 = 27,317.16 : x
  2. Step 2: Convert to fraction form
    57,318.39/85,979.79 = 27,317.16/x
  3. Step 3: Cross multiply
    57,318.39x = 85,979.79 × 27,317.16
  4. Step 4: Simplify right side
    57,318.39x = 2,348,723,680.20
  5. Step 5: Solve for x
    x = 2,348,723,680.20/57,318.39
  6. Step 6: Final answer
    x = 40,976.79

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1.5x scale

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.