Home / 30,995.21-42,773.17-17,566.35

Finding the Fourth Proportional to 30,995.21, 42,773.17 and 17,566.35

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Solution

The fourth proportional to 30,995.21, 42,773.17 and 17,566.35 is: 24,241.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,995.21 : 42,773.17 = 17,566.35 : x
  2. Step 2: Convert to fraction form
    30,995.21/42,773.17 = 17,566.35/x
  3. Step 3: Cross multiply
    30,995.21x = 42,773.17 × 17,566.35
  4. Step 4: Simplify right side
    30,995.21x = 751,368,474.83
  5. Step 5: Solve for x
    x = 751,368,474.83/30,995.21
  6. Step 6: Final answer
    x = 24,241.44

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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.