Home / 45,171.66-67,768.26-15,589.75

Finding the Fourth Proportional to 45,171.66, 67,768.26 and 15,589.75

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Solution

The fourth proportional to 45,171.66, 67,768.26 and 15,589.75 is: 23,388.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,171.66 : 67,768.26 = 15,589.75 : x
  2. Step 2: Convert to fraction form
    45,171.66/67,768.26 = 15,589.75/x
  3. Step 3: Cross multiply
    45,171.66x = 67,768.26 × 15,589.75
  4. Step 4: Simplify right side
    45,171.66x = 1,056,490,153.39
  5. Step 5: Solve for x
    x = 1,056,490,153.39/45,171.66
  6. Step 6: Final answer
    x = 23,388.34

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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.