Home / 51,228.20-76,842.30-16,171.40

Finding the Fourth Proportional to 51,228.20, 76,842.30 and 16,171.40

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Solution

The fourth proportional to 51,228.20, 76,842.30 and 16,171.40 is: 24,257.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,228.20 : 76,842.30 = 16,171.40 : x
  2. Step 2: Convert to fraction form
    51,228.20/76,842.30 = 16,171.40/x
  3. Step 3: Cross multiply
    51,228.20x = 76,842.30 × 16,171.40
  4. Step 4: Simplify right side
    51,228.20x = 1,242,647,570.22
  5. Step 5: Solve for x
    x = 1,242,647,570.22/51,228.20
  6. Step 6: Final answer
    x = 24,257.10

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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.