Home / 51,260.30-76,890.45-14,324.30

Finding the Fourth Proportional to 51,260.30, 76,890.45 and 14,324.30

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Solution

The fourth proportional to 51,260.30, 76,890.45 and 14,324.30 is: 21,486.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,260.30 : 76,890.45 = 14,324.30 : x
  2. Step 2: Convert to fraction form
    51,260.30/76,890.45 = 14,324.30/x
  3. Step 3: Cross multiply
    51,260.30x = 76,890.45 × 14,324.30
  4. Step 4: Simplify right side
    51,260.30x = 1,101,401,872.94
  5. Step 5: Solve for x
    x = 1,101,401,872.94/51,260.30
  6. Step 6: Final answer
    x = 21,486.45

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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.