Home / 34,433.72-51,520.24-20,401.28

Finding the Fourth Proportional to 34,433.72, 51,520.24 and 20,401.28

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Solution

The fourth proportional to 34,433.72, 51,520.24 and 20,401.28 is: 30,524.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,433.72 : 51,520.24 = 20,401.28 : x
  2. Step 2: Convert to fraction form
    34,433.72/51,520.24 = 20,401.28/x
  3. Step 3: Cross multiply
    34,433.72x = 51,520.24 × 20,401.28
  4. Step 4: Simplify right side
    34,433.72x = 1,051,078,841.91
  5. Step 5: Solve for x
    x = 1,051,078,841.91/34,433.72
  6. Step 6: Final answer
    x = 30,524.70

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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.