Home / 33,138.34-45,732.10-18,993.88

Finding the Fourth Proportional to 33,138.34, 45,732.10 and 18,993.88

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Solution

The fourth proportional to 33,138.34, 45,732.10 and 18,993.88 is: 26,212.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,138.34 : 45,732.10 = 18,993.88 : x
  2. Step 2: Convert to fraction form
    33,138.34/45,732.10 = 18,993.88/x
  3. Step 3: Cross multiply
    33,138.34x = 45,732.10 × 18,993.88
  4. Step 4: Simplify right side
    33,138.34x = 868,630,019.55
  5. Step 5: Solve for x
    x = 868,630,019.55/33,138.34
  6. Step 6: Final answer
    x = 26,212.24

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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.