Home / 40,166.55-60,286.82-20,459.25

Finding the Fourth Proportional to 40,166.55, 60,286.82 and 20,459.25

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Solution

The fourth proportional to 40,166.55, 60,286.82 and 20,459.25 is: 30,707.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,166.55 : 60,286.82 = 20,459.25 : x
  2. Step 2: Convert to fraction form
    40,166.55/60,286.82 = 20,459.25/x
  3. Step 3: Cross multiply
    40,166.55x = 60,286.82 × 20,459.25
  4. Step 4: Simplify right side
    40,166.55x = 1,233,423,019.79
  5. Step 5: Solve for x
    x = 1,233,423,019.79/40,166.55
  6. Step 6: Final answer
    x = 30,707.72

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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.