Home / 36,280.09-54,420.14-12,906.73

Finding the Fourth Proportional to 36,280.09, 54,420.14 and 12,906.73

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Solution

The fourth proportional to 36,280.09, 54,420.14 and 12,906.73 is: 19,360.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,280.09 : 54,420.14 = 12,906.73 : x
  2. Step 2: Convert to fraction form
    36,280.09/54,420.14 = 12,906.73/x
  3. Step 3: Cross multiply
    36,280.09x = 54,420.14 × 12,906.73
  4. Step 4: Simplify right side
    36,280.09x = 702,386,053.54
  5. Step 5: Solve for x
    x = 702,386,053.54/36,280.09
  6. Step 6: Final answer
    x = 19,360.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.