Home / 20,294.20-30,441.30-14,721.40

Finding the Fourth Proportional to 20,294.20, 30,441.30 and 14,721.40

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Solution

The fourth proportional to 20,294.20, 30,441.30 and 14,721.40 is: 22,082.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,294.20 : 30,441.30 = 14,721.40 : x
  2. Step 2: Convert to fraction form
    20,294.20/30,441.30 = 14,721.40/x
  3. Step 3: Cross multiply
    20,294.20x = 30,441.30 × 14,721.40
  4. Step 4: Simplify right side
    20,294.20x = 448,138,553.82
  5. Step 5: Solve for x
    x = 448,138,553.82/20,294.20
  6. Step 6: Final answer
    x = 22,082.10

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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.