Home / 32,775.87-45,234.54-18,630.84

Finding the Fourth Proportional to 32,775.87, 45,234.54 and 18,630.84

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Solution

The fourth proportional to 32,775.87, 45,234.54 and 18,630.84 is: 25,712.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,775.87 : 45,234.54 = 18,630.84 : x
  2. Step 2: Convert to fraction form
    32,775.87/45,234.54 = 18,630.84/x
  3. Step 3: Cross multiply
    32,775.87x = 45,234.54 × 18,630.84
  4. Step 4: Simplify right side
    32,775.87x = 842,757,477.21
  5. Step 5: Solve for x
    x = 842,757,477.21/32,775.87
  6. Step 6: Final answer
    x = 25,712.74

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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.