Home / 30,268.88-41,774.92-18,332.72

Finding the Fourth Proportional to 30,268.88, 41,774.92 and 18,332.72

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Solution

The fourth proportional to 30,268.88, 41,774.92 and 18,332.72 is: 25,301.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,268.88 : 41,774.92 = 18,332.72 : x
  2. Step 2: Convert to fraction form
    30,268.88/41,774.92 = 18,332.72/x
  3. Step 3: Cross multiply
    30,268.88x = 41,774.92 × 18,332.72
  4. Step 4: Simplify right side
    30,268.88x = 765,847,911.38
  5. Step 5: Solve for x
    x = 765,847,911.38/30,268.88
  6. Step 6: Final answer
    x = 25,301.49

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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.