Home / 51,472.62-77,221.50-16,412.28

Finding the Fourth Proportional to 51,472.62, 77,221.50 and 16,412.28

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Solution

The fourth proportional to 51,472.62, 77,221.50 and 16,412.28 is: 24,622.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,472.62 : 77,221.50 = 16,412.28 : x
  2. Step 2: Convert to fraction form
    51,472.62/77,221.50 = 16,412.28/x
  3. Step 3: Cross multiply
    51,472.62x = 77,221.50 × 16,412.28
  4. Step 4: Simplify right side
    51,472.62x = 1,267,380,880.02
  5. Step 5: Solve for x
    x = 1,267,380,880.02/51,472.62
  6. Step 6: Final answer
    x = 24,622.43

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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.