Home / 39,895.36-54,656.42-38,399.69

Finding the Fourth Proportional to 39,895.36, 54,656.42 and 38,399.69

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Solution

The fourth proportional to 39,895.36, 54,656.42 and 38,399.69 is: 52,607.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,895.36 : 54,656.42 = 38,399.69 : x
  2. Step 2: Convert to fraction form
    39,895.36/54,656.42 = 38,399.69/x
  3. Step 3: Cross multiply
    39,895.36x = 54,656.42 × 38,399.69
  4. Step 4: Simplify right side
    39,895.36x = 2,098,789,529.15
  5. Step 5: Solve for x
    x = 2,098,789,529.15/39,895.36
  6. Step 6: Final answer
    x = 52,607.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.