Home / 43,911-65,874.81-17,617.80

Finding the Fourth Proportional to 43,911, 65,874.81 and 17,617.80

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Solution

The fourth proportional to 43,911, 65,874.81 and 17,617.80 is: 26,430.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,911 : 65,874.81 = 17,617.80 : x
  2. Step 2: Convert to fraction form
    43,911/65,874.81 = 17,617.80/x
  3. Step 3: Cross multiply
    43,911x = 65,874.81 × 17,617.80
  4. Step 4: Simplify right side
    43,911x = 1,160,569,227.62
  5. Step 5: Solve for x
    x = 1,160,569,227.62/43,911
  6. Step 6: Final answer
    x = 26,430.03

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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.