Home / 43,185.42-64,761.03-20,992.23

Finding the Fourth Proportional to 43,185.42, 64,761.03 and 20,992.23

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Solution

The fourth proportional to 43,185.42, 64,761.03 and 20,992.23 is: 31,480.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,185.42 : 64,761.03 = 20,992.23 : x
  2. Step 2: Convert to fraction form
    43,185.42/64,761.03 = 20,992.23/x
  3. Step 3: Cross multiply
    43,185.42x = 64,761.03 × 20,992.23
  4. Step 4: Simplify right side
    43,185.42x = 1,359,478,436.80
  5. Step 5: Solve for x
    x = 1,359,478,436.80/43,185.42
  6. Step 6: Final answer
    x = 31,480.03

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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.