Home / 51,200.10-76,800.15-26,231.85

Finding the Fourth Proportional to 51,200.10, 76,800.15 and 26,231.85

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Solution

The fourth proportional to 51,200.10, 76,800.15 and 26,231.85 is: 39,347.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,200.10 : 76,800.15 = 26,231.85 : x
  2. Step 2: Convert to fraction form
    51,200.10/76,800.15 = 26,231.85/x
  3. Step 3: Cross multiply
    51,200.10x = 76,800.15 × 26,231.85
  4. Step 4: Simplify right side
    51,200.10x = 2,014,610,014.78
  5. Step 5: Solve for x
    x = 2,014,610,014.78/51,200.10
  6. Step 6: Final answer
    x = 39,347.78

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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.