Home / 39,892.16-54,993.12-27,919.04

Finding the Fourth Proportional to 39,892.16, 54,993.12 and 27,919.04

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Solution

The fourth proportional to 39,892.16, 54,993.12 and 27,919.04 is: 38,487.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,892.16 : 54,993.12 = 27,919.04 : x
  2. Step 2: Convert to fraction form
    39,892.16/54,993.12 = 27,919.04/x
  3. Step 3: Cross multiply
    39,892.16x = 54,993.12 × 27,919.04
  4. Step 4: Simplify right side
    39,892.16x = 1,535,355,117.00
  5. Step 5: Solve for x
    x = 1,535,355,117.00/39,892.16
  6. Step 6: Final answer
    x = 38,487.64

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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.