Home / 47,921.40-71,885.82-16,321.72

Finding the Fourth Proportional to 47,921.40, 71,885.82 and 16,321.72

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Solution

The fourth proportional to 47,921.40, 71,885.82 and 16,321.72 is: 24,483.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,921.40 : 71,885.82 = 16,321.72 : x
  2. Step 2: Convert to fraction form
    47,921.40/71,885.82 = 16,321.72/x
  3. Step 3: Cross multiply
    47,921.40x = 71,885.82 × 16,321.72
  4. Step 4: Simplify right side
    47,921.40x = 1,173,300,226.01
  5. Step 5: Solve for x
    x = 1,173,300,226.01/47,921.40
  6. Step 6: Final answer
    x = 24,483.85

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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.