Home / 30,679.66-42,337.37-17,067.64

Finding the Fourth Proportional to 30,679.66, 42,337.37 and 17,067.64

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Solution

The fourth proportional to 30,679.66, 42,337.37 and 17,067.64 is: 23,553.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,679.66 : 42,337.37 = 17,067.64 : x
  2. Step 2: Convert to fraction form
    30,679.66/42,337.37 = 17,067.64/x
  3. Step 3: Cross multiply
    30,679.66x = 42,337.37 × 17,067.64
  4. Step 4: Simplify right side
    30,679.66x = 722,598,989.71
  5. Step 5: Solve for x
    x = 722,598,989.71/30,679.66
  6. Step 6: Final answer
    x = 23,553.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.