Home / 31,989.27-47,983.90-16,396.95

Finding the Fourth Proportional to 31,989.27, 47,983.90 and 16,396.95

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Solution

The fourth proportional to 31,989.27, 47,983.90 and 16,396.95 is: 24,595.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,989.27 : 47,983.90 = 16,396.95 : x
  2. Step 2: Convert to fraction form
    31,989.27/47,983.90 = 16,396.95/x
  3. Step 3: Cross multiply
    31,989.27x = 47,983.90 × 16,396.95
  4. Step 4: Simplify right side
    31,989.27x = 786,789,609.11
  5. Step 5: Solve for x
    x = 786,789,609.11/31,989.27
  6. Step 6: Final answer
    x = 24,595.42

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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.