Home / 30,115.90-41,559.33-16,687.12

Finding the Fourth Proportional to 30,115.90, 41,559.33 and 16,687.12

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Solution

The fourth proportional to 30,115.90, 41,559.33 and 16,687.12 is: 23,027.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,115.90 : 41,559.33 = 16,687.12 : x
  2. Step 2: Convert to fraction form
    30,115.90/41,559.33 = 16,687.12/x
  3. Step 3: Cross multiply
    30,115.90x = 41,559.33 × 16,687.12
  4. Step 4: Simplify right side
    30,115.90x = 693,505,526.83
  5. Step 5: Solve for x
    x = 693,505,526.83/30,115.90
  6. Step 6: Final answer
    x = 23,027.89

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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.