Home / 30,540.87-45,758.71-23,874.78

Finding the Fourth Proportional to 30,540.87, 45,758.71 and 23,874.78

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Solution

The fourth proportional to 30,540.87, 45,758.71 and 23,874.78 is: 35,771.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,540.87 : 45,758.71 = 23,874.78 : x
  2. Step 2: Convert to fraction form
    30,540.87/45,758.71 = 23,874.78/x
  3. Step 3: Cross multiply
    30,540.87x = 45,758.71 × 23,874.78
  4. Step 4: Simplify right side
    30,540.87x = 1,092,479,134.33
  5. Step 5: Solve for x
    x = 1,092,479,134.33/30,540.87
  6. Step 6: Final answer
    x = 35,771.05

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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.