Home / 40,161.84-60,297.96-20,453.68

Finding the Fourth Proportional to 40,161.84, 60,297.96 and 20,453.68

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Solution

The fourth proportional to 40,161.84, 60,297.96 and 20,453.68 is: 30,708.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,161.84 : 60,297.96 = 20,453.68 : x
  2. Step 2: Convert to fraction form
    40,161.84/60,297.96 = 20,453.68/x
  3. Step 3: Cross multiply
    40,161.84x = 60,297.96 × 20,453.68
  4. Step 4: Simplify right side
    40,161.84x = 1,233,315,178.49
  5. Step 5: Solve for x
    x = 1,233,315,178.49/40,161.84
  6. Step 6: Final answer
    x = 30,708.63

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1.5x scale

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.