Home / 20,344.05-30,562.90-14,435.61

Finding the Fourth Proportional to 20,344.05, 30,562.90 and 14,435.61

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Solution

The fourth proportional to 20,344.05, 30,562.90 and 14,435.61 is: 21,686.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,344.05 : 30,562.90 = 14,435.61 : x
  2. Step 2: Convert to fraction form
    20,344.05/30,562.90 = 14,435.61/x
  3. Step 3: Cross multiply
    20,344.05x = 30,562.90 × 14,435.61
  4. Step 4: Simplify right side
    20,344.05x = 441,194,104.87
  5. Step 5: Solve for x
    x = 441,194,104.87/20,344.05
  6. Step 6: Final answer
    x = 21,686.64

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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.