Home / 30,172.86-41,637.62-16,744.42

Finding the Fourth Proportional to 30,172.86, 41,637.62 and 16,744.42

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Solution

The fourth proportional to 30,172.86, 41,637.62 and 16,744.42 is: 23,106.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,172.86 : 41,637.62 = 16,744.42 : x
  2. Step 2: Convert to fraction form
    30,172.86/41,637.62 = 16,744.42/x
  3. Step 3: Cross multiply
    30,172.86x = 41,637.62 × 16,744.42
  4. Step 4: Simplify right side
    30,172.86x = 697,197,797.08
  5. Step 5: Solve for x
    x = 697,197,797.08/30,172.86
  6. Step 6: Final answer
    x = 23,106.79

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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.