Home / 30,982.41-42,755.57-17,553.64

Finding the Fourth Proportional to 30,982.41, 42,755.57 and 17,553.64

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Solution

The fourth proportional to 30,982.41, 42,755.57 and 17,553.64 is: 24,223.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,982.41 : 42,755.57 = 17,553.64 : x
  2. Step 2: Convert to fraction form
    30,982.41/42,755.57 = 17,553.64/x
  3. Step 3: Cross multiply
    30,982.41x = 42,755.57 × 17,553.64
  4. Step 4: Simplify right side
    30,982.41x = 750,515,773.52
  5. Step 5: Solve for x
    x = 750,515,773.52/30,982.41
  6. Step 6: Final answer
    x = 24,223.93

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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.