Home / 76,427.20-114,640.80-23,836.60

Finding the Fourth Proportional to 76,427.20, 114,640.80 and 23,836.60

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Solution

The fourth proportional to 76,427.20, 114,640.80 and 23,836.60 is: 35,754.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,427.20 : 114,640.80 = 23,836.60 : x
  2. Step 2: Convert to fraction form
    76,427.20/114,640.80 = 23,836.60/x
  3. Step 3: Cross multiply
    76,427.20x = 114,640.80 × 23,836.60
  4. Step 4: Simplify right side
    76,427.20x = 2,732,646,893.28
  5. Step 5: Solve for x
    x = 2,732,646,893.28/76,427.20
  6. Step 6: Final answer
    x = 35,754.90

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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.