Home / 30,274.20-41,771.61-18,337.32

Finding the Fourth Proportional to 30,274.20, 41,771.61 and 18,337.32

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Solution

The fourth proportional to 30,274.20, 41,771.61 and 18,337.32 is: 25,301.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,274.20 : 41,771.61 = 18,337.32 : x
  2. Step 2: Convert to fraction form
    30,274.20/41,771.61 = 18,337.32/x
  3. Step 3: Cross multiply
    30,274.20x = 41,771.61 × 18,337.32
  4. Step 4: Simplify right side
    30,274.20x = 765,979,379.49
  5. Step 5: Solve for x
    x = 765,979,379.49/30,274.20
  6. Step 6: Final answer
    x = 25,301.39

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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.