Home / 20,082.33-30,142.12-14,465.79

Finding the Fourth Proportional to 20,082.33, 30,142.12 and 14,465.79

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Solution

The fourth proportional to 20,082.33, 30,142.12 and 14,465.79 is: 21,712.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,082.33 : 30,142.12 = 14,465.79 : x
  2. Step 2: Convert to fraction form
    20,082.33/30,142.12 = 14,465.79/x
  3. Step 3: Cross multiply
    20,082.33x = 30,142.12 × 14,465.79
  4. Step 4: Simplify right side
    20,082.33x = 436,029,578.07
  5. Step 5: Solve for x
    x = 436,029,578.07/20,082.33
  6. Step 6: Final answer
    x = 21,712.10

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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.