Home / 32,780.04-45,236.04-18,631.96

Finding the Fourth Proportional to 32,780.04, 45,236.04 and 18,631.96

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Solution

The fourth proportional to 32,780.04, 45,236.04 and 18,631.96 is: 25,711.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,780.04 : 45,236.04 = 18,631.96 : x
  2. Step 2: Convert to fraction form
    32,780.04/45,236.04 = 18,631.96/x
  3. Step 3: Cross multiply
    32,780.04x = 45,236.04 × 18,631.96
  4. Step 4: Simplify right side
    32,780.04x = 842,836,087.84
  5. Step 5: Solve for x
    x = 842,836,087.84/32,780.04
  6. Step 6: Final answer
    x = 25,711.87

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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.