Home / 32,677.56-45,107.10-20,748.60

Finding the Fourth Proportional to 32,677.56, 45,107.10 and 20,748.60

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Solution

The fourth proportional to 32,677.56, 45,107.10 and 20,748.60 is: 28,640.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,677.56 : 45,107.10 = 20,748.60 : x
  2. Step 2: Convert to fraction form
    32,677.56/45,107.10 = 20,748.60/x
  3. Step 3: Cross multiply
    32,677.56x = 45,107.10 × 20,748.60
  4. Step 4: Simplify right side
    32,677.56x = 935,909,175.06
  5. Step 5: Solve for x
    x = 935,909,175.06/32,677.56
  6. Step 6: Final answer
    x = 28,640.73

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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.