Home / 36,018.83-54,035.13-13,830.44

Finding the Fourth Proportional to 36,018.83, 54,035.13 and 13,830.44

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Solution

The fourth proportional to 36,018.83, 54,035.13 and 13,830.44 is: 20,748.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,018.83 : 54,035.13 = 13,830.44 : x
  2. Step 2: Convert to fraction form
    36,018.83/54,035.13 = 13,830.44/x
  3. Step 3: Cross multiply
    36,018.83x = 54,035.13 × 13,830.44
  4. Step 4: Simplify right side
    36,018.83x = 747,329,353.18
  5. Step 5: Solve for x
    x = 747,329,353.18/36,018.83
  6. Step 6: Final answer
    x = 20,748.30

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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.