Home / 45,174.58-67,716.75-30,194.31

Finding the Fourth Proportional to 45,174.58, 67,716.75 and 30,194.31

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Solution

The fourth proportional to 45,174.58, 67,716.75 and 30,194.31 is: 45,261.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,174.58 : 67,716.75 = 30,194.31 : x
  2. Step 2: Convert to fraction form
    45,174.58/67,716.75 = 30,194.31/x
  3. Step 3: Cross multiply
    45,174.58x = 67,716.75 × 30,194.31
  4. Step 4: Simplify right side
    45,174.58x = 2,044,660,617.18
  5. Step 5: Solve for x
    x = 2,044,660,617.18/45,174.58
  6. Step 6: Final answer
    x = 45,261.31

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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.