Home / 36,218.46-54,299.74-13,728.81

Finding the Fourth Proportional to 36,218.46, 54,299.74 and 13,728.81

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Solution

The fourth proportional to 36,218.46, 54,299.74 and 13,728.81 is: 20,582.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,218.46 : 54,299.74 = 13,728.81 : x
  2. Step 2: Convert to fraction form
    36,218.46/54,299.74 = 13,728.81/x
  3. Step 3: Cross multiply
    36,218.46x = 54,299.74 × 13,728.81
  4. Step 4: Simplify right side
    36,218.46x = 745,470,677.76
  5. Step 5: Solve for x
    x = 745,470,677.76/36,218.46
  6. Step 6: Final answer
    x = 20,582.62

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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.