Home / 30,131.80-41,573.46-17,554.12

Finding the Fourth Proportional to 30,131.80, 41,573.46 and 17,554.12

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Solution

The fourth proportional to 30,131.80, 41,573.46 and 17,554.12 is: 24,219.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,131.80 : 41,573.46 = 17,554.12 : x
  2. Step 2: Convert to fraction form
    30,131.80/41,573.46 = 17,554.12/x
  3. Step 3: Cross multiply
    30,131.80x = 41,573.46 × 17,554.12
  4. Step 4: Simplify right side
    30,131.80x = 729,785,505.66
  5. Step 5: Solve for x
    x = 729,785,505.66/30,131.80
  6. Step 6: Final answer
    x = 24,219.78

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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.