Home / 39,414.96-54,399.40-37,643.44

Finding the Fourth Proportional to 39,414.96, 54,399.40 and 37,643.44

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Solution

The fourth proportional to 39,414.96, 54,399.40 and 37,643.44 is: 51,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,414.96 : 54,399.40 = 37,643.44 : x
  2. Step 2: Convert to fraction form
    39,414.96/54,399.40 = 37,643.44/x
  3. Step 3: Cross multiply
    39,414.96x = 54,399.40 × 37,643.44
  4. Step 4: Simplify right side
    39,414.96x = 2,047,780,549.94
  5. Step 5: Solve for x
    x = 2,047,780,549.94/39,414.96
  6. Step 6: Final answer
    x = 51,954.40

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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.