Home / 47,517.22-65,555.08-30,519.09

Finding the Fourth Proportional to 47,517.22, 65,555.08 and 30,519.09

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Solution

The fourth proportional to 47,517.22, 65,555.08 and 30,519.09 is: 42,104.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,517.22 : 65,555.08 = 30,519.09 : x
  2. Step 2: Convert to fraction form
    47,517.22/65,555.08 = 30,519.09/x
  3. Step 3: Cross multiply
    47,517.22x = 65,555.08 × 30,519.09
  4. Step 4: Simplify right side
    47,517.22x = 2,000,681,310.18
  5. Step 5: Solve for x
    x = 2,000,681,310.18/47,517.22
  6. Step 6: Final answer
    x = 42,104.34

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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.