Home / 30,172.85-41,638.98-16,744.97

Finding the Fourth Proportional to 30,172.85, 41,638.98 and 16,744.97

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Solution

The fourth proportional to 30,172.85, 41,638.98 and 16,744.97 is: 23,108.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,172.85 : 41,638.98 = 16,744.97 : x
  2. Step 2: Convert to fraction form
    30,172.85/41,638.98 = 16,744.97/x
  3. Step 3: Cross multiply
    30,172.85x = 41,638.98 × 16,744.97
  4. Step 4: Simplify right side
    30,172.85x = 697,243,262.74
  5. Step 5: Solve for x
    x = 697,243,262.74/30,172.85
  6. Step 6: Final answer
    x = 23,108.30

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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.