Home / 20,219.21-30,344.67-14,022.71

Finding the Fourth Proportional to 20,219.21, 30,344.67 and 14,022.71

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Solution

The fourth proportional to 20,219.21, 30,344.67 and 14,022.71 is: 21,045.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219.21 : 30,344.67 = 14,022.71 : x
  2. Step 2: Convert to fraction form
    20,219.21/30,344.67 = 14,022.71/x
  3. Step 3: Cross multiply
    20,219.21x = 30,344.67 × 14,022.71
  4. Step 4: Simplify right side
    20,219.21x = 425,514,355.73
  5. Step 5: Solve for x
    x = 425,514,355.73/20,219.21
  6. Step 6: Final answer
    x = 21,045.06

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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.