Home / 32,778.54-45,234.27-18,631.35

Finding the Fourth Proportional to 32,778.54, 45,234.27 and 18,631.35

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Solution

The fourth proportional to 32,778.54, 45,234.27 and 18,631.35 is: 25,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,778.54 : 45,234.27 = 18,631.35 : x
  2. Step 2: Convert to fraction form
    32,778.54/45,234.27 = 18,631.35/x
  3. Step 3: Cross multiply
    32,778.54x = 45,234.27 × 18,631.35
  4. Step 4: Simplify right side
    32,778.54x = 842,775,516.36
  5. Step 5: Solve for x
    x = 842,775,516.36/32,778.54
  6. Step 6: Final answer
    x = 25,711.20

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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.