Home / 53,824.80-80,737.21-30,119.09

Finding the Fourth Proportional to 53,824.80, 80,737.21 and 30,119.09

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Solution

The fourth proportional to 53,824.80, 80,737.21 and 30,119.09 is: 45,178.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,824.80 : 80,737.21 = 30,119.09 : x
  2. Step 2: Convert to fraction form
    53,824.80/80,737.21 = 30,119.09/x
  3. Step 3: Cross multiply
    53,824.80x = 80,737.21 × 30,119.09
  4. Step 4: Simplify right side
    53,824.80x = 2,431,731,213.03
  5. Step 5: Solve for x
    x = 2,431,731,213.03/53,824.80
  6. Step 6: Final answer
    x = 45,178.64

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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.