Home / 39,675.42-54,683.89-37,806.90

Finding the Fourth Proportional to 39,675.42, 54,683.89 and 37,806.90

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Solution

The fourth proportional to 39,675.42, 54,683.89 and 37,806.90 is: 52,108.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,675.42 : 54,683.89 = 37,806.90 : x
  2. Step 2: Convert to fraction form
    39,675.42/54,683.89 = 37,806.90/x
  3. Step 3: Cross multiply
    39,675.42x = 54,683.89 × 37,806.90
  4. Step 4: Simplify right side
    39,675.42x = 2,067,428,087.42
  5. Step 5: Solve for x
    x = 2,067,428,087.42/39,675.42
  6. Step 6: Final answer
    x = 52,108.54

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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.