Home / 76,517.26-114,782.50-21,113.26

Finding the Fourth Proportional to 76,517.26, 114,782.50 and 21,113.26

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Solution

The fourth proportional to 76,517.26, 114,782.50 and 21,113.26 is: 31,671.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,517.26 : 114,782.50 = 21,113.26 : x
  2. Step 2: Convert to fraction form
    76,517.26/114,782.50 = 21,113.26/x
  3. Step 3: Cross multiply
    76,517.26x = 114,782.50 × 21,113.26
  4. Step 4: Simplify right side
    76,517.26x = 2,423,432,765.95
  5. Step 5: Solve for x
    x = 2,423,432,765.95/76,517.26
  6. Step 6: Final answer
    x = 31,671.71

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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.