Home / 32,780.28-45,408.12-32,115.98

Finding the Fourth Proportional to 32,780.28, 45,408.12 and 32,115.98

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Solution

The fourth proportional to 32,780.28, 45,408.12 and 32,115.98 is: 44,487.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,780.28 : 45,408.12 = 32,115.98 : x
  2. Step 2: Convert to fraction form
    32,780.28/45,408.12 = 32,115.98/x
  3. Step 3: Cross multiply
    32,780.28x = 45,408.12 × 32,115.98
  4. Step 4: Simplify right side
    32,780.28x = 1,458,326,273.76
  5. Step 5: Solve for x
    x = 1,458,326,273.76/32,780.28
  6. Step 6: Final answer
    x = 44,487.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.