Home / 39,611.59-54,665.50-22,618.60

Finding the Fourth Proportional to 39,611.59, 54,665.50 and 22,618.60

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Solution

The fourth proportional to 39,611.59, 54,665.50 and 22,618.60 is: 31,214.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,611.59 : 54,665.50 = 22,618.60 : x
  2. Step 2: Convert to fraction form
    39,611.59/54,665.50 = 22,618.60/x
  3. Step 3: Cross multiply
    39,611.59x = 54,665.50 × 22,618.60
  4. Step 4: Simplify right side
    39,611.59x = 1,236,457,078.30
  5. Step 5: Solve for x
    x = 1,236,457,078.30/39,611.59
  6. Step 6: Final answer
    x = 31,214.53

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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.