Home / 47,481.52-71,226.42-12,421.12

Finding the Fourth Proportional to 47,481.52, 71,226.42 and 12,421.12

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Solution

The fourth proportional to 47,481.52, 71,226.42 and 12,421.12 is: 18,632.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,481.52 : 71,226.42 = 12,421.12 : x
  2. Step 2: Convert to fraction form
    47,481.52/71,226.42 = 12,421.12/x
  3. Step 3: Cross multiply
    47,481.52x = 71,226.42 × 12,421.12
  4. Step 4: Simplify right side
    47,481.52x = 884,711,909.99
  5. Step 5: Solve for x
    x = 884,711,909.99/47,481.52
  6. Step 6: Final answer
    x = 18,632.76

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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.