Home / 30,149.30-45,231.54-17,679.75

Finding the Fourth Proportional to 30,149.30, 45,231.54 and 17,679.75

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Solution

The fourth proportional to 30,149.30, 45,231.54 and 17,679.75 is: 26,524.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,149.30 : 45,231.54 = 17,679.75 : x
  2. Step 2: Convert to fraction form
    30,149.30/45,231.54 = 17,679.75/x
  3. Step 3: Cross multiply
    30,149.30x = 45,231.54 × 17,679.75
  4. Step 4: Simplify right side
    30,149.30x = 799,682,319.32
  5. Step 5: Solve for x
    x = 799,682,319.32/30,149.30
  6. Step 6: Final answer
    x = 26,524.08

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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.