Home / 39,611.90-54,655.56-22,610.72

Finding the Fourth Proportional to 39,611.90, 54,655.56 and 22,610.72

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Solution

The fourth proportional to 39,611.90, 54,655.56 and 22,610.72 is: 31,197.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,611.90 : 54,655.56 = 22,610.72 : x
  2. Step 2: Convert to fraction form
    39,611.90/54,655.56 = 22,610.72/x
  3. Step 3: Cross multiply
    39,611.90x = 54,655.56 × 22,610.72
  4. Step 4: Simplify right side
    39,611.90x = 1,235,801,563.60
  5. Step 5: Solve for x
    x = 1,235,801,563.60/39,611.90
  6. Step 6: Final answer
    x = 31,197.74

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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.