Home / 39,998.05-55,155.96-34,351.49

Finding the Fourth Proportional to 39,998.05, 55,155.96 and 34,351.49

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Solution

The fourth proportional to 39,998.05, 55,155.96 and 34,351.49 is: 47,369.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,998.05 : 55,155.96 = 34,351.49 : x
  2. Step 2: Convert to fraction form
    39,998.05/55,155.96 = 34,351.49/x
  3. Step 3: Cross multiply
    39,998.05x = 55,155.96 × 34,351.49
  4. Step 4: Simplify right side
    39,998.05x = 1,894,689,546.27
  5. Step 5: Solve for x
    x = 1,894,689,546.27/39,998.05
  6. Step 6: Final answer
    x = 47,369.55

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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.