Home / 36,518.59-54,777.32-18,738.99

Finding the Fourth Proportional to 36,518.59, 54,777.32 and 18,738.99

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Solution

The fourth proportional to 36,518.59, 54,777.32 and 18,738.99 is: 28,108.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,518.59 : 54,777.32 = 18,738.99 : x
  2. Step 2: Convert to fraction form
    36,518.59/54,777.32 = 18,738.99/x
  3. Step 3: Cross multiply
    36,518.59x = 54,777.32 × 18,738.99
  4. Step 4: Simplify right side
    36,518.59x = 1,026,471,558.01
  5. Step 5: Solve for x
    x = 1,026,471,558.01/36,518.59
  6. Step 6: Final answer
    x = 28,108.20

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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.