Home / 47,511.15-71,269.02-12,450.84

Finding the Fourth Proportional to 47,511.15, 71,269.02 and 12,450.84

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Solution

The fourth proportional to 47,511.15, 71,269.02 and 12,450.84 is: 18,676.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,511.15 : 71,269.02 = 12,450.84 : x
  2. Step 2: Convert to fraction form
    47,511.15/71,269.02 = 12,450.84/x
  3. Step 3: Cross multiply
    47,511.15x = 71,269.02 × 12,450.84
  4. Step 4: Simplify right side
    47,511.15x = 887,359,164.98
  5. Step 5: Solve for x
    x = 887,359,164.98/47,511.15
  6. Step 6: Final answer
    x = 18,676.86

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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.