Home / 76,236.09-114,458.88-38,821.29

Finding the Fourth Proportional to 76,236.09, 114,458.88 and 38,821.29

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Solution

The fourth proportional to 76,236.09, 114,458.88 and 38,821.29 is: 58,285.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,236.09 : 114,458.88 = 38,821.29 : x
  2. Step 2: Convert to fraction form
    76,236.09/114,458.88 = 38,821.29/x
  3. Step 3: Cross multiply
    76,236.09x = 114,458.88 × 38,821.29
  4. Step 4: Simplify right side
    76,236.09x = 4,443,441,373.56
  5. Step 5: Solve for x
    x = 4,443,441,373.56/76,236.09
  6. Step 6: Final answer
    x = 58,285.27

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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.