Home / 47,329.20-71,000.16-14,049.72

Finding the Fourth Proportional to 47,329.20, 71,000.16 and 14,049.72

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Solution

The fourth proportional to 47,329.20, 71,000.16 and 14,049.72 is: 21,076.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,329.20 : 71,000.16 = 14,049.72 : x
  2. Step 2: Convert to fraction form
    47,329.20/71,000.16 = 14,049.72/x
  3. Step 3: Cross multiply
    47,329.20x = 71,000.16 × 14,049.72
  4. Step 4: Simplify right side
    47,329.20x = 997,532,367.96
  5. Step 5: Solve for x
    x = 997,532,367.96/47,329.20
  6. Step 6: Final answer
    x = 21,076.47

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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.