Home / 36,154.48-54,226.32-12,465.76

Finding the Fourth Proportional to 36,154.48, 54,226.32 and 12,465.76

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Solution

The fourth proportional to 36,154.48, 54,226.32 and 12,465.76 is: 18,696.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,154.48 : 54,226.32 = 12,465.76 : x
  2. Step 2: Convert to fraction form
    36,154.48/54,226.32 = 12,465.76/x
  3. Step 3: Cross multiply
    36,154.48x = 54,226.32 × 12,465.76
  4. Step 4: Simplify right side
    36,154.48x = 675,972,290.80
  5. Step 5: Solve for x
    x = 675,972,290.80/36,154.48
  6. Step 6: Final answer
    x = 18,696.78

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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.