Home / 39,629.18-54,705.72-27,739.19

Finding the Fourth Proportional to 39,629.18, 54,705.72 and 27,739.19

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Solution

The fourth proportional to 39,629.18, 54,705.72 and 27,739.19 is: 38,292.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,629.18 : 54,705.72 = 27,739.19 : x
  2. Step 2: Convert to fraction form
    39,629.18/54,705.72 = 27,739.19/x
  3. Step 3: Cross multiply
    39,629.18x = 54,705.72 × 27,739.19
  4. Step 4: Simplify right side
    39,629.18x = 1,517,492,292.78
  5. Step 5: Solve for x
    x = 1,517,492,292.78/39,629.18
  6. Step 6: Final answer
    x = 38,292.30

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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.