Home / 30,782.43-42,476.20-17,353.44

Finding the Fourth Proportional to 30,782.43, 42,476.20 and 17,353.44

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Solution

The fourth proportional to 30,782.43, 42,476.20 and 17,353.44 is: 23,945.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,782.43 : 42,476.20 = 17,353.44 : x
  2. Step 2: Convert to fraction form
    30,782.43/42,476.20 = 17,353.44/x
  3. Step 3: Cross multiply
    30,782.43x = 42,476.20 × 17,353.44
  4. Step 4: Simplify right side
    30,782.43x = 737,108,144.74
  5. Step 5: Solve for x
    x = 737,108,144.74/30,782.43
  6. Step 6: Final answer
    x = 23,945.74

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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.