Home / 39,439.18-54,333.57-27,480.82

Finding the Fourth Proportional to 39,439.18, 54,333.57 and 27,480.82

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Solution

The fourth proportional to 39,439.18, 54,333.57 and 27,480.82 is: 37,859.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,439.18 : 54,333.57 = 27,480.82 : x
  2. Step 2: Convert to fraction form
    39,439.18/54,333.57 = 27,480.82/x
  3. Step 3: Cross multiply
    39,439.18x = 54,333.57 × 27,480.82
  4. Step 4: Simplify right side
    39,439.18x = 1,493,131,057.13
  5. Step 5: Solve for x
    x = 1,493,131,057.13/39,439.18
  6. Step 6: Final answer
    x = 37,859.08

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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.