Home / 39,939.27-55,065.03-32,743.12

Finding the Fourth Proportional to 39,939.27, 55,065.03 and 32,743.12

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Solution

The fourth proportional to 39,939.27, 55,065.03 and 32,743.12 is: 45,143.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,939.27 : 55,065.03 = 32,743.12 : x
  2. Step 2: Convert to fraction form
    39,939.27/55,065.03 = 32,743.12/x
  3. Step 3: Cross multiply
    39,939.27x = 55,065.03 × 32,743.12
  4. Step 4: Simplify right side
    39,939.27x = 1,803,000,885.09
  5. Step 5: Solve for x
    x = 1,803,000,885.09/39,939.27
  6. Step 6: Final answer
    x = 45,143.56

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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.