Home / 30,337.20-41,853.06-18,396.18

Finding the Fourth Proportional to 30,337.20, 41,853.06 and 18,396.18

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Solution

The fourth proportional to 30,337.20, 41,853.06 and 18,396.18 is: 25,379.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,337.20 : 41,853.06 = 18,396.18 : x
  2. Step 2: Convert to fraction form
    30,337.20/41,853.06 = 18,396.18/x
  3. Step 3: Cross multiply
    30,337.20x = 41,853.06 × 18,396.18
  4. Step 4: Simplify right side
    30,337.20x = 769,936,425.31
  5. Step 5: Solve for x
    x = 769,936,425.31/30,337.20
  6. Step 6: Final answer
    x = 25,379.28

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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.