Home / 30,066.26-45,115.38-16,919.55

Finding the Fourth Proportional to 30,066.26, 45,115.38 and 16,919.55

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Solution

The fourth proportional to 30,066.26, 45,115.38 and 16,919.55 is: 25,388.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,066.26 : 45,115.38 = 16,919.55 : x
  2. Step 2: Convert to fraction form
    30,066.26/45,115.38 = 16,919.55/x
  3. Step 3: Cross multiply
    30,066.26x = 45,115.38 × 16,919.55
  4. Step 4: Simplify right side
    30,066.26x = 763,331,927.68
  5. Step 5: Solve for x
    x = 763,331,927.68/30,066.26
  6. Step 6: Final answer
    x = 25,388.33

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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.