Home / 30,082.26-41,470.08-21,101.88

Finding the Fourth Proportional to 30,082.26, 41,470.08 and 21,101.88

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Solution

The fourth proportional to 30,082.26, 41,470.08 and 21,101.88 is: 29,090.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,082.26 : 41,470.08 = 21,101.88 : x
  2. Step 2: Convert to fraction form
    30,082.26/41,470.08 = 21,101.88/x
  3. Step 3: Cross multiply
    30,082.26x = 41,470.08 × 21,101.88
  4. Step 4: Simplify right side
    30,082.26x = 875,096,651.75
  5. Step 5: Solve for x
    x = 875,096,651.75/30,082.26
  6. Step 6: Final answer
    x = 29,090.12

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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.