Home / 36,201.02-54,308.78-12,509.43

Finding the Fourth Proportional to 36,201.02, 54,308.78 and 12,509.43

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Solution

The fourth proportional to 36,201.02, 54,308.78 and 12,509.43 is: 18,766.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,201.02 : 54,308.78 = 12,509.43 : x
  2. Step 2: Convert to fraction form
    36,201.02/54,308.78 = 12,509.43/x
  3. Step 3: Cross multiply
    36,201.02x = 54,308.78 × 12,509.43
  4. Step 4: Simplify right side
    36,201.02x = 679,371,819.25
  5. Step 5: Solve for x
    x = 679,371,819.25/36,201.02
  6. Step 6: Final answer
    x = 18,766.65

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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.