Home / 32,780.62-45,236.83-18,440.41

Finding the Fourth Proportional to 32,780.62, 45,236.83 and 18,440.41

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Solution

The fourth proportional to 32,780.62, 45,236.83 and 18,440.41 is: 25,447.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,780.62 : 45,236.83 = 18,440.41 : x
  2. Step 2: Convert to fraction form
    32,780.62/45,236.83 = 18,440.41/x
  3. Step 3: Cross multiply
    32,780.62x = 45,236.83 × 18,440.41
  4. Step 4: Simplify right side
    32,780.62x = 834,185,888.74
  5. Step 5: Solve for x
    x = 834,185,888.74/32,780.62
  6. Step 6: Final answer
    x = 25,447.53

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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.