Home / 39,727.80-54,835.38-22,741.56

Finding the Fourth Proportional to 39,727.80, 54,835.38 and 22,741.56

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Solution

The fourth proportional to 39,727.80, 54,835.38 and 22,741.56 is: 31,389.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,727.80 : 54,835.38 = 22,741.56 : x
  2. Step 2: Convert to fraction form
    39,727.80/54,835.38 = 22,741.56/x
  3. Step 3: Cross multiply
    39,727.80x = 54,835.38 × 22,741.56
  4. Step 4: Simplify right side
    39,727.80x = 1,247,042,084.39
  5. Step 5: Solve for x
    x = 1,247,042,084.39/39,727.80
  6. Step 6: Final answer
    x = 31,389.66

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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.