Home / 30,270.20-41,757.18-17,687.66

Finding the Fourth Proportional to 30,270.20, 41,757.18 and 17,687.66

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Solution

The fourth proportional to 30,270.20, 41,757.18 and 17,687.66 is: 24,399.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,270.20 : 41,757.18 = 17,687.66 : x
  2. Step 2: Convert to fraction form
    30,270.20/41,757.18 = 17,687.66/x
  3. Step 3: Cross multiply
    30,270.20x = 41,757.18 × 17,687.66
  4. Step 4: Simplify right side
    30,270.20x = 738,586,802.40
  5. Step 5: Solve for x
    x = 738,586,802.40/30,270.20
  6. Step 6: Final answer
    x = 24,399.80

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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.