Home / 20,134.23-30,065.75-16,443.78

Finding the Fourth Proportional to 20,134.23, 30,065.75 and 16,443.78

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Solution

The fourth proportional to 20,134.23, 30,065.75 and 16,443.78 is: 24,554.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134.23 : 30,065.75 = 16,443.78 : x
  2. Step 2: Convert to fraction form
    20,134.23/30,065.75 = 16,443.78/x
  3. Step 3: Cross multiply
    20,134.23x = 30,065.75 × 16,443.78
  4. Step 4: Simplify right side
    20,134.23x = 494,394,496.32
  5. Step 5: Solve for x
    x = 494,394,496.32/20,134.23
  6. Step 6: Final answer
    x = 24,554.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.