Home / 39,403.38-54,369.22-23,489.31

Finding the Fourth Proportional to 39,403.38, 54,369.22 and 23,489.31

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Solution

The fourth proportional to 39,403.38, 54,369.22 and 23,489.31 is: 32,410.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,403.38 : 54,369.22 = 23,489.31 : x
  2. Step 2: Convert to fraction form
    39,403.38/54,369.22 = 23,489.31/x
  3. Step 3: Cross multiply
    39,403.38x = 54,369.22 × 23,489.31
  4. Step 4: Simplify right side
    39,403.38x = 1,277,095,463.04
  5. Step 5: Solve for x
    x = 1,277,095,463.04/39,403.38
  6. Step 6: Final answer
    x = 32,410.81

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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.