Home / 36,575.72-54,879.41-12,900.17

Finding the Fourth Proportional to 36,575.72, 54,879.41 and 12,900.17

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Solution

The fourth proportional to 36,575.72, 54,879.41 and 12,900.17 is: 19,355.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,575.72 : 54,879.41 = 12,900.17 : x
  2. Step 2: Convert to fraction form
    36,575.72/54,879.41 = 12,900.17/x
  3. Step 3: Cross multiply
    36,575.72x = 54,879.41 × 12,900.17
  4. Step 4: Simplify right side
    36,575.72x = 707,953,887.95
  5. Step 5: Solve for x
    x = 707,953,887.95/36,575.72
  6. Step 6: Final answer
    x = 19,355.84

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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.