Home / 31,992.52-47,974.20-16,421.08

Finding the Fourth Proportional to 31,992.52, 47,974.20 and 16,421.08

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Solution

The fourth proportional to 31,992.52, 47,974.20 and 16,421.08 is: 24,624.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,992.52 : 47,974.20 = 16,421.08 : x
  2. Step 2: Convert to fraction form
    31,992.52/47,974.20 = 16,421.08/x
  3. Step 3: Cross multiply
    31,992.52x = 47,974.20 × 16,421.08
  4. Step 4: Simplify right side
    31,992.52x = 787,788,176.14
  5. Step 5: Solve for x
    x = 787,788,176.14/31,992.52
  6. Step 6: Final answer
    x = 24,624.14

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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.