Home / 39,403.50-54,369.39-23,489.43

Finding the Fourth Proportional to 39,403.50, 54,369.39 and 23,489.43

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Solution

The fourth proportional to 39,403.50, 54,369.39 and 23,489.43 is: 32,410.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,403.50 : 54,369.39 = 23,489.43 : x
  2. Step 2: Convert to fraction form
    39,403.50/54,369.39 = 23,489.43/x
  3. Step 3: Cross multiply
    39,403.50x = 54,369.39 × 23,489.43
  4. Step 4: Simplify right side
    39,403.50x = 1,277,105,980.55
  5. Step 5: Solve for x
    x = 1,277,105,980.55/39,403.50
  6. Step 6: Final answer
    x = 32,410.98

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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.