Home / 30,236.67-45,355.47-11,517.75

Finding the Fourth Proportional to 30,236.67, 45,355.47 and 11,517.75

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Solution

The fourth proportional to 30,236.67, 45,355.47 and 11,517.75 is: 17,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,236.67 : 45,355.47 = 11,517.75 : x
  2. Step 2: Convert to fraction form
    30,236.67/45,355.47 = 11,517.75/x
  3. Step 3: Cross multiply
    30,236.67x = 45,355.47 × 11,517.75
  4. Step 4: Simplify right side
    30,236.67x = 522,392,964.59
  5. Step 5: Solve for x
    x = 522,392,964.59/30,236.67
  6. Step 6: Final answer
    x = 17,276.80

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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.