Home / 36,030.78-54,049.05-12,662.46

Finding the Fourth Proportional to 36,030.78, 54,049.05 and 12,662.46

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Solution

The fourth proportional to 36,030.78, 54,049.05 and 12,662.46 is: 18,994.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,030.78 : 54,049.05 = 12,662.46 : x
  2. Step 2: Convert to fraction form
    36,030.78/54,049.05 = 12,662.46/x
  3. Step 3: Cross multiply
    36,030.78x = 54,049.05 × 12,662.46
  4. Step 4: Simplify right side
    36,030.78x = 684,393,933.66
  5. Step 5: Solve for x
    x = 684,393,933.66/36,030.78
  6. Step 6: Final answer
    x = 18,994.70

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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.