Home / 36,356.12-54,501.17-12,977.09

Finding the Fourth Proportional to 36,356.12, 54,501.17 and 12,977.09

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Solution

The fourth proportional to 36,356.12, 54,501.17 and 12,977.09 is: 19,453.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,356.12 : 54,501.17 = 12,977.09 : x
  2. Step 2: Convert to fraction form
    36,356.12/54,501.17 = 12,977.09/x
  3. Step 3: Cross multiply
    36,356.12x = 54,501.17 × 12,977.09
  4. Step 4: Simplify right side
    36,356.12x = 707,266,250.80
  5. Step 5: Solve for x
    x = 707,266,250.80/36,356.12
  6. Step 6: Final answer
    x = 19,453.85

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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.