Home / 30,281.46-41,784.28-16,850.88

Finding the Fourth Proportional to 30,281.46, 41,784.28 and 16,850.88

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Solution

The fourth proportional to 30,281.46, 41,784.28 and 16,850.88 is: 23,251.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,281.46 : 41,784.28 = 16,850.88 : x
  2. Step 2: Convert to fraction form
    30,281.46/41,784.28 = 16,850.88/x
  3. Step 3: Cross multiply
    30,281.46x = 41,784.28 × 16,850.88
  4. Step 4: Simplify right side
    30,281.46x = 704,101,846.04
  5. Step 5: Solve for x
    x = 704,101,846.04/30,281.46
  6. Step 6: Final answer
    x = 23,251.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.