Home / 30,187.35-41,659.61-16,758.86

Finding the Fourth Proportional to 30,187.35, 41,659.61 and 16,758.86

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Solution

The fourth proportional to 30,187.35, 41,659.61 and 16,758.86 is: 23,127.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,187.35 : 41,659.61 = 16,758.86 : x
  2. Step 2: Convert to fraction form
    30,187.35/41,659.61 = 16,758.86/x
  3. Step 3: Cross multiply
    30,187.35x = 41,659.61 × 16,758.86
  4. Step 4: Simplify right side
    30,187.35x = 698,167,279.55
  5. Step 5: Solve for x
    x = 698,167,279.55/30,187.35
  6. Step 6: Final answer
    x = 23,127.81

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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.