Home / 45,581.82-68,349.03-20,609.92

Finding the Fourth Proportional to 45,581.82, 68,349.03 and 20,609.92

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Solution

The fourth proportional to 45,581.82, 68,349.03 and 20,609.92 is: 30,904.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,581.82 : 68,349.03 = 20,609.92 : x
  2. Step 2: Convert to fraction form
    45,581.82/68,349.03 = 20,609.92/x
  3. Step 3: Cross multiply
    45,581.82x = 68,349.03 × 20,609.92
  4. Step 4: Simplify right side
    45,581.82x = 1,408,668,040.38
  5. Step 5: Solve for x
    x = 1,408,668,040.38/45,581.82
  6. Step 6: Final answer
    x = 30,904.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.