Home / 30,268.08-41,771.16-18,937.80

Finding the Fourth Proportional to 30,268.08, 41,771.16 and 18,937.80

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Solution

The fourth proportional to 30,268.08, 41,771.16 and 18,937.80 is: 26,134.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,268.08 : 41,771.16 = 18,937.80 : x
  2. Step 2: Convert to fraction form
    30,268.08/41,771.16 = 18,937.80/x
  3. Step 3: Cross multiply
    30,268.08x = 41,771.16 × 18,937.80
  4. Step 4: Simplify right side
    30,268.08x = 791,053,873.85
  5. Step 5: Solve for x
    x = 791,053,873.85/30,268.08
  6. Step 6: Final answer
    x = 26,134.92

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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.