Home / 48,609.24-72,885.12-18,992.76

Finding the Fourth Proportional to 48,609.24, 72,885.12 and 18,992.76

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Solution

The fourth proportional to 48,609.24, 72,885.12 and 18,992.76 is: 28,477.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,609.24 : 72,885.12 = 18,992.76 : x
  2. Step 2: Convert to fraction form
    48,609.24/72,885.12 = 18,992.76/x
  3. Step 3: Cross multiply
    48,609.24x = 72,885.12 × 18,992.76
  4. Step 4: Simplify right side
    48,609.24x = 1,384,289,591.73
  5. Step 5: Solve for x
    x = 1,384,289,591.73/48,609.24
  6. Step 6: Final answer
    x = 28,477.91

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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.