Home / 43,401.40-65,241.30-40,319.80

Finding the Fourth Proportional to 43,401.40, 65,241.30 and 40,319.80

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Solution

The fourth proportional to 43,401.40, 65,241.30 and 40,319.80 is: 60,609.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,401.40 : 65,241.30 = 40,319.80 : x
  2. Step 2: Convert to fraction form
    43,401.40/65,241.30 = 40,319.80/x
  3. Step 3: Cross multiply
    43,401.40x = 65,241.30 × 40,319.80
  4. Step 4: Simplify right side
    43,401.40x = 2,630,516,167.74
  5. Step 5: Solve for x
    x = 2,630,516,167.74/43,401.40
  6. Step 6: Final answer
    x = 60,609.02

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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.