Home / 39,236.60-54,122.21-34,212.88

Finding the Fourth Proportional to 39,236.60, 54,122.21 and 34,212.88

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Solution

The fourth proportional to 39,236.60, 54,122.21 and 34,212.88 is: 47,192.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,236.60 : 54,122.21 = 34,212.88 : x
  2. Step 2: Convert to fraction form
    39,236.60/54,122.21 = 34,212.88/x
  3. Step 3: Cross multiply
    39,236.60x = 54,122.21 × 34,212.88
  4. Step 4: Simplify right side
    39,236.60x = 1,851,676,845.29
  5. Step 5: Solve for x
    x = 1,851,676,845.29/39,236.60
  6. Step 6: Final answer
    x = 47,192.59

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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.